Cleanup listing forWikiProject Birds as of February 17, 2026.
Of the 20347 articles in this project 3080 or 15% are marked for cleanup, with 4289 issues in total.
Listings:Alphabetic• By category•CSV•History
... represents the current issue name. Issue names are abbreviated category names.
| Article | Importance | Class | Issues |
|---|---|---|---|
| Alexandrine parakeet | Low | Start | Reference errors |
| Bird–window collisions | Mid | Start | Cites unreliable sources (February 2026) |
| Cape Hallett | Low | Start | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Carl Eduard Hellmayr | Low | Stub | Has general references but lacks inline footnotes (February 2026) |
| Collosogavis | Low | Stub | Missing taxobox, CS1 errors: access-date without URL, Has general references but lacks inline footnotes (February 2026) |
| Fan-tailed raven | Low | Start | Unsourced passages need footnotes {{More citations needed}} (February 2026) |
| Grand Falconer of France | Low | Start | Cites no sources (February 2026) |
| Humphrey–Parkes terminology | High | Stub | Update needed (February 2026) |
| Hybridisation in terns | Low | Stub | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Interspecific feeding | Low | Stub | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Ralph Hoffmann | Low | Start | Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Spot-bellied eagle-owl | Low | B | Cites unreliable sources (February 2025) |
| Yellowface I budgerigar mutation | Low | Start | CS1 errors: archive-url |
| Article | Importance | Class | Issues |
|---|---|---|---|
| 1860 in birding and ornithology | Low | List | Articles lacking sources (December 2025) |
| 1862 in birding and ornithology | Low | List | Articles lacking sources (December 2025) |
| 1863 in birding and ornithology | Low | List | Articles lacking sources (December 2025) |
| Mercury Islands | Low | Start | CS1 errors: missing name |
| Scleral cartilage | Low | C | Harv and Sfn no-target errors |
| Sussex chicken | Low | Start | Articles needing additional references (August 2014) |
| Victoria (goose) | Low | Stub | Articles needing additional references (September 2016) |
| Williams & Son, Dublin | Low | C | All articles needing coordinates |
| Article | Importance | Class | Issues | ||
|---|---|---|---|---|---|
| Andrew Whittaker (ornithologist) | Low | Start | 2 | March 2025 | Has general references but lacks inline footnotes (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025) |
| Anwaruddin Choudhury | Low | C | 6 | October 2016 | Dead external links {{dead link}} (October 2016, November 2018), Unsourced passages need footnotes {{citation needed}} (October 2024, April 2025, May 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Bill Oddie | Low | C | 1 | December 2022 | External link cleanup {{external links}} (December 2022) |
| Brenton See | Low | Stub | 1 | March 2022 | Notability unclear (March 2022) |
| Carla Dove | Low | C | 2 | July 2018 | Unsourced passages need footnotes {{citation needed}} (July 2018), Vague or ambiguous time (July 2018) |
| Chris Perrins | Low | Stub | 4 | July 2016 | Potentially dated statements (2016), Unsourced passages need footnotes {{citation needed}} (July 2016, February 2018), Dead external links {{dead link}} (June 2025) |
| Chris Rose (artist) | Low | Stub | 1 | October 2023 | BLP articles lacking sources (October 2023) |
| Clifford Brodie Frith | Low | Start | 1 | January 2023 | BLP articles lacking sources (January 2023) |
| Clive Byers | Low | Stub | 1 | March 2009 | BLP articles lacking sources (March 2009) |
| Colin Bradshaw | Low | Start | 1 | August 2014 | Unsourced passages need footnotes {{citation needed}} (August 2014) |
| Colin Miskelly | Low | C | 1 | December 2024 | Potentially dated statements (December 2024) |
| David Allen Sibley | Low | Stub | 2 | March 2008 | BLP articles lacking sources (March 2008), Dead external links {{dead link}} (November 2019) |
| David B. Wingate | Low | Stub | 1 | February 2013 | Has general references but lacks inline footnotes (February 2013) |
| David Tipling | Low | B | 3 | June 2008 | Unsourced passages need footnotes {{citation needed}} (June 2008, May 2022), Incomplete lists (December 2010) |
| Dawn Whyatt Frith | Low | Start | 2 | June 2017 | BLP articles lacking sources (June 2017), Has general references but lacks inline footnotes (June 2017) |
| Denis A. Saunders | Low | Stub | 1 | April 2009 | Has general references but lacks inline footnotes (April 2009) |
| Derek Mooney | Low | C | 2 | November 2011 | Vague or ambiguous time (November 2011), Unsourced passages need footnotes {{citation needed}} (January 2019) |
| Dick Forsman | Low | Stub | 1 | March 2022 | Dead external links {{dead link}} (March 2022) |
| Dominique G. Homberger | Low | Start | 1 | November 2018 | Failed verification (November 2018) |
| Donald Kroodsma | Low | Stub | 1 | January 2023 | Unsourced passages need footnotes {{citation needed}} (January 2023) |
| Gisela Kaplan | Low | C | 1 | April 2020 | Style editing needed (April 2020) |
| Glen Chilton | Low | Start | 2 | March 2017 | Unsourced passages need footnotes {{citation needed}} (March 2017), Notability unclear (December 2017) |
| Hadoram Shirihai | Low | Start | 1 | August 2010 | BLP articles lacking sources (August 2010) |
| Harold Douglas Pratt Jr. | Low | Stub | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Irene Pepperberg | Low | C | 1 | November 2017 | Dead external links {{dead link}} (November 2017) |
| J. Drew Lanham | Low | Start | 1 | October 2022 | Reorganization needed (October 2022) |
| Jemima Parry-Jones | Low | Start | 2 | January 2025 | BLP articles lacking sources (January 2025), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Jeremy Greenwood | Low | Stub | 2 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008), CS1 errors: missing title |
| Jochen Martens | Mid | B | 1 | CS1 errors: periodical ignored | |
| Joel Cracraft | Low | Stub | 2 | February 2020 | Dead external links {{dead link}} (February 2020, November 2023) |
| John Marzluff | Low | Stub | 1 | June 2025 | Dead external links {{dead link}} (June 2025) |
| Jonathan Elphick | Low | C | 2 | July 2021 | Unsourced passages need footnotes {{citation needed}} (July 2021), Vague or ambiguous time (July 2021) |
| Julia Parrish | Low | C | 1 | October 2021 | Vague or ambiguous time (October 2021) |
| Karen L. Wiebe | Low | Start | 1 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Kenn Kaufman | Low | Start | 1 | January 2018 | Dead external links {{dead link}} (January 2018) |
| Lars Jonsson (illustrator) | Low | Stub | 1 | August 2008 | Incomplete lists (August 2008) |
| Lesley Brooker | Low | Start | 1 | October 2023 | Unsourced passages need footnotes {{citation needed}} (October 2023) |
| Malcolm Ogilvie | Low | Start | 1 | August 2008 | Incomplete lists (August 2008) |
| Mark Cocker | Low | C | 1 | CS1 errors: missing title | |
| Michael Brooker | Low | Stub | 1 | July 2025 | BLP articles lacking sources (July 2025) |
| Michael Clarke (ornithologist) | Low | Stub | 1 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Michale Fee | Low | Stub | 1 | February 2013 | BLP articles lacking sources (February 2013) |
| Michele Raffin | Low | Stub | 1 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020) |
| Nicholas Barry Davies | Low | Stub | 1 | November 2025 | Dead external links {{dead link}} (November 2025) |
| Nicolas Day | Low | Stub | 1 | December 2025 | Has general references but lacks inline footnotes (December 2025) |
| Nik Borrow | Low | Start | 2 | June 2013 | Notability unclear (June 2013), Unsourced passages need footnotes {{citation needed}} (January 2023) |
| Oliver Michael Griffiths Newman | Low | Stub | 1 | May 2021 | Has general references but lacks inline footnotes (May 2021) |
| Patricia Vickers-Rich | Low | C | 1 | April 2021 | Cites unreliable sources (April 2021) |
| Penny Olsen | Low | Stub | 1 | October 2023 | Incomplete lists (October 2023) |
| Pete Dunne (author) | Low | Stub | 1 | June 2024 | Promotional tone (June 2024) |
| Peter Colston (ornithologist) | Low | Stub | 1 | August 2008 | Incomplete lists (August 2008) |
| Peter Lansdown | Low | Stub | 2 | May 2024 | Has general references but lacks inline footnotes (May 2024), BLP articles lacking sources (May 2024) |
| Peter Trusler | Low | Start | 1 | September 2018 | Vague or ambiguous time (September 2018) |
| Princess Marie des Neiges of Bourbon-Parma | Low | Start | 1 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Ran Nathan | Low | C | 1 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Richard Veit | Low | Start | 2 | September 2024 | Unsourced passages need footnotes {{citation needed}} (September 2024), Categories needed (September 2024) |
| Rob Hume | Low | Start | 1 | September 2024 | BLP articles lacking sources (September 2024) |
| Stanley Temple | Low | Stub | 2 | February 2014 | BLP articles lacking sources (February 2014), Cites unreliable sources (February 2014) |
| Steve Gantlett | Low | Stub | 1 | April 2023 | BLP articles lacking sources (April 2023) |
| Tim Gallagher | Low | Stub | 2 | February 2017 | Has general references but lacks inline footnotes (February 2017), BLP articles lacking sources (February 2017) |
| Tito Narosky | Low | Stub | 4 | August 2015 | Cites unreliable sources (August 2015), Notability unclear (August 2015), Has general references but lacks inline footnotes (August 2015), CS1 errors: periodical ignored |
| Tony Silva | Low | Start | 3 | December 2022 | Failed verification (December 2022), Disputed statements (December 2022), Vague or ambiguous geographic scope (December 2022) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Hope Bay, Antarctica | Low | C | 3 | May 2024 | Articles using infobox body of water without pushpin map alt, Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Kulikalon Lakes | Low | Stub | 2 | Articles using infobox body of water without pushpin map alt | |
| Lutembe Bay | Low | Stub | 1 | ||
| Piute Ponds | Low | Start | 2 | Articles using infobox body of water without pushpin map alt |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Birchs Inlet | Low | Start | 1 | ||
| Cheyenne Bottoms | Low | C | 1 | ||
| Grey Pond | Low | Stub | 3 | March 2025 | Articles using infobox body of water without pushpin map alt, Unsourced passages need footnotes {{More citations needed}} (March 2025) |
| Jervis Bay | Low | Start | 5 | February 2015 | Page number citations needed (February 2015), Clarification needed (May 2025), Unsourced passages need footnotes {{More citations needed}} (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Lake Eyre | Low | C | 4 | June 2017 | Unsourced passages need footnotes {{citation needed}} (June 2017, May 2019, June 2025) |
| Limeburners Bay | Low | Stub | 1 | ||
| Lough Foyle | Low | C | 4 | July 2020 | Unsourced passages need footnotes {{citation needed}} (July 2020, November 2025), Incomplete citations (April 2022) |
| Moreton Bay | Low | B | 3 | October 2023 | Accuracy disputes or self-published (October 2023), Dead external links {{dead link}} (April 2024) |
| Swan Bay | Low | Start | 1 | ||
| Western Port | Low | C | 3 | January 2008 | Unsourced passages need footnotes {{More citations needed}} (January 2008), Links needing disambiguation (October 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Grey Pond | Low | Stub | 3 | March 2025 | Articles using infobox body of water without alt bathymetry, Unsourced passages need footnotes {{More citations needed}} (March 2025) |
| Hope Bay, Antarctica | Low | C | 3 | May 2024 | Articles using infobox body of water without alt, Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Kulikalon Lakes | Low | Stub | 2 | Articles using infobox body of water without alt | |
| Piute Ponds | Low | Start | 2 | Articles using infobox body of water without alt |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Accipitriformes | High | Start | 3 | June 2016 | Unsourced passages need footnotes {{citation needed}} (June 2016, July 2016), ... (December 2024) |
| Adzebill | Mid | C | 4 | July 2025 | Expansion needed (July 2025), Weasel-worded phrases (July 2025), Unsourced passages need footnotes {{citation needed}} (July 2025), ... (July 2025) |
| African blue tit | Low | Start | 1 | December 2024 | ... (December 2024) |
| Air sac | Low | C | 2 | September 2022 | ... (September 2022, July 2024) |
| Anatidae | High | B | 5 | January 2008 | Unsourced passages need footnotes {{citation needed}} (January 2008, January 2009, November 2014), Dead external links {{dead link}} (August 2023), ... (June 2025) |
| Archosaur | Low | C | 7 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014, April 2017, December 2017, December 2020), ... (July 2019, January 2021), Weasel-worded phrases (July 2019) |
| Australian hobby | Low | C | 1 | June 2016 | ... (June 2016) |
| AviList | Mid | Start | 1 | January 2026 | ... (January 2026) |
| Barred owl | Mid | B | 1 | July 2020 | ... (July 2020) |
| Beauchene Island | Low | Start | 3 | July 2010 | Unsourced passages need footnotes {{citation needed}} (July 2010), ... (May 2015), Dead external links {{dead link}} (August 2021) |
| Bird anatomy | Top | B | 4 | September 2018 | Unsourced passages need footnotes {{More citations needed}} (September 2018), ... (April 2021), CS1 errors: ISBN date, Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Bird intelligence | High | B | 3 | July 2011 | ... (July 2011), Unsourced passages need footnotes {{citation needed}} (September 2015, June 2020) |
| Bird ringing | High | B | 2 | July 2014 | ... (July 2014), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Bird trapping | Low | Start | 4 | January 2014 | Cleanup needed (January 2014), Dead external links {{dead link}} (September 2024), ... (September 2025), Weasel-worded phrases (September 2025) |
| Brown booby | High | Start | 1 | November 2025 | ... (November 2025) |
| Cassowary | Mid | C | 3 | 2019 | Potentially dated statements (2019), Unsourced passages need footnotes {{citation needed}} (January 2022), ... (July 2024) |
| Challenger (eagle) | Low | Stub | 1 | March 2011 | ... (March 2011) |
| Chestnut teal | Low | Start | 1 | December 2019 | ... (December 2019) |
| Chinese monal | Low | Stub | 2 | September 2025 | ... (September 2025), Unsourced passages need footnotes {{citation needed}} (September 2025) |
| Common chlorospingus | Low | C | 2 | December 2008 | Unsourced passages need footnotes {{citation needed}} (December 2008), ... (July 2020) |
| Common snipe | Low | Start | 2 | February 2021 | ... (February 2021), Vague or ambiguous time (November 2024) |
| Common swift | Mid | Start | 3 | February 2024 | ... (February 2024), Unsourced passages need footnotes {{citation needed}} (September 2024, June 2025) |
| Coscoroba swan | Mid | C | 2 | February 2026 | ... (February 2026), Weasel-worded phrases (February 2026) |
| Courtship display | Low | C | 2 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020), ... (March 2020) |
| Cox's sandpiper | Low | Start | 1 | March 2008 | ... (March 2008) |
| Cultural depictions of penguins | Low | Start | 4 | May 2011 | Unsourced passages need footnotes {{More citations needed}} (May 2011), Unsourced passages need footnotes {{citation needed}} (May 2011), ... (May 2011), Accuracy disputes or self-published (March 2022) |
| Daines Barrington | Low | Start | 3 | September 2023 | Unsourced passages need footnotes {{citation needed}} (September 2023), ... (December 2025), Vague or ambiguous time (December 2025) |
| Devincenzia | Low | C | 1 | July 2025 | ... (July 2025) |
| Domestic pigeon | Low | C | 7 | July 2019 | Accuracy disputes or self-published (July 2019, April 2023), Dead external links {{dead link}} (September 2024), Unsourced passages need footnotes {{citation needed}} (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025), ... (January 2026), Weasel-worded phrases (January 2026) |
| Ducie Island | Low | GA | 1 | April 2023 | ... (April 2023) |
| Eastern bluebird | Low | Start | 1 | December 2025 | ... (December 2025) |
| Eastern osprey | Low | C | 6 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, October 2023), Dead external links {{dead link}} (October 2023), Potentially dated statements (2024, July 2024), ... (August 2025) |
| Enaliornis | Low | Stub | 1 | October 2010 | ... (October 2010) |
| Eurasian magpie | Low | C | 2 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013), ... (January 2023) |
| F. C. R. Jourdain | Low | Stub | 2 | October 2021 | ... (October 2021), Unsourced passages need footnotes {{citation needed}} (March 2024) |
| Falconry | High | B | 9 | September 2013 | Page number citations needed (September 2013), Unsourced passages need footnotes {{citation needed}} (April 2016, April 2024, September 2024, April 2025), Style editing needed (November 2022), Unsourced passages need footnotes {{More citations needed}} (November 2022), Original research (April 2024), ... (April 2025) |
| Falconry training and technique | Low | C | 3 | October 2018 | ... (October 2018), Has general references but lacks inline footnotes (September 2020), Categories needed (August 2025) |
| Forced molting | Low | Start | 3 | January 2015 | ... (January 2015), Unsourced passages need footnotes {{citation needed}} (July 2016), Dead external links {{dead link}} (December 2019) |
| Gastrolith | Mid | C | 4 | May 2019 | Unsourced passages need footnotes {{citation needed}} (May 2019, December 2022, January 2026), ... (February 2022) |
| Great tit | Low | GA | 2 | August 2025 | CS1 errors: ISBN date, ... (August 2025) |
| Greater spotted eagle | Low | C | 5 | December 2023 | ... (December 2023, January 2024), Vague or ambiguous time (January 2024), Style editing needed (January 2024), Failed verification (January 2024) |
| Grey parrot | Mid | C | 2 | October 2023 | ... (October 2023), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Hamilton Mack Laing | Low | B | 1 | October 2024 | ... (October 2024) |
| Harpy eagle | Mid | B | 2 | July 2023 | ... (July 2023), Reference cleanup (January 2026) |
| Hawk | Mid | B | 2 | August 2022 | Unsourced passages need footnotes {{citation needed}} (August 2022), ... (August 2024) |
| Homing pigeon | Low | C | 4 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016, March 2023), ... (January 2016), Dead external links {{dead link}} (August 2020) |
| Horned lark | Low | Start | 1 | October 2023 | ... (October 2023) |
| Hummingbird | Top | GA | 2 | March 2024 | ... (March 2024), Too long (January 2026) |
| Jervis Bay | Low | Start | 5 | February 2015 | Page number citations needed (February 2015), Articles using infobox body of water without alt bathymetry, ... (May 2025), Unsourced passages need footnotes {{More citations needed}} (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Kairuku | Low | Stub | 1 | September 2021 | ... (September 2021) |
| Lake Hawdon System Important Bird Area | Low | Stub | 1 | October 2014 | ... (October 2014) |
| Least auklet | Low | Start | 1 | May 2012 | ... (May 2012) |
| Limassol Salt Lake | Low | Stub | 3 | October 2013 | Unsourced passages need footnotes {{citation needed}} (October 2013, November 2024), ... (November 2024) |
| List of bird species discovered since 1900 | Mid | List | 1 | July 2013 | ... (July 2013) |
| List of birds of the Sierra de Manantlán Biosphere Reserve | Low | List | 1 | October 2017 | ... (October 2017) |
| List of pigeon breeds | Low | List | 1 | January 2026 | ... (January 2026) |
| Little eagle | Mid | C | 1 | February 2024 | ... (February 2024) |
| Long Boi | Low | C | 1 | August 2025 | ... (August 2025) |
| Margaret Howell Mitchell | Low | C | 1 | February 2024 | ... (February 2024) |
| Mexican Highlands red-tailed hawk | Low | Stub | 1 | March 2020 | ... (March 2020) |
| Minutornis | Low | Start | 1 | February 2023 | ... (February 2023) |
| Mites of livestock | Low | C | 1 | October 2020 | ... (October 2020) |
| Nest | Low | C | 2 | August 2018 | ... (August 2018, April 2020) |
| Noisy friarbird | Low | C | 1 | July 2022 | ... (July 2022) |
| North Island kōkako | Mid | C | 3 | May 2025 | ... (May 2025), Unsourced passages need footnotes {{More citations needed}} (May 2025), Copy edit needed (May 2025) |
| Old World sparrow | High | C | 3 | May 2012 | ... (May 2012), Dead external links {{dead link}} (May 2018), Unsourced passages need footnotes {{citation needed}} (July 2021) |
| Oreoicidae | High | Start | 1 | October 2021 | ... (October 2021) |
| Ostrich leather | Low | C | 6 | November 2012 | ... (November 2012, July 2024), Dead external links {{dead link}} (January 2019), Vague or ambiguous time (September 2022), Promotional tone (September 2022), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Owl | Top | C | 5 | July 2010 | ... (July 2010), Unsourced passages need footnotes {{citation needed}} (July 2019, March 2021, March 2024), Cites unreliable sources (February 2023) |
| Oxyurini | Mid | Start | 1 | May 2023 | ... (May 2023) |
| Parental care in birds | Mid | C | 1 | March 2019 | ... (March 2019) |
| Penelopides | Mid | Start | 1 | May 2014 | ... (May 2014) |
| Phaethoquornithes | Low | Stub | 1 | February 2023 | ... (February 2023) |
| Pheasant coucal | Mid | C | 1 | March 2023 | ... (March 2023) |
| Pigeon post | Low | C | 1 | May 2018 | ... (May 2018) |
| Pigeon racing | Low | B | 11 | March 2008 | Unsourced passages need footnotes {{citation needed}} (March 2008, October 2012, May 2017, July 2024), Unsourced passages need footnotes {{More citations needed}} (February 2022, July 2024), ... (October 2022, July 2024), Cites unreliable sources (July 2024), Page number citations needed (July 2024), Failed verification (July 2024) |
| Pinyon jay | Mid | B | 4 | April 2021 | ... (April 2021), Unsourced passages need footnotes {{citation needed}} (August 2024), Cites unreliable sources (August 2024), Incomplete citations (August 2024) |
| Pipit | Mid | C | 2 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012), ... (October 2025) |
| Poʻouli | Mid | C | 3 | November 2012 | Unsourced passages need footnotes {{More citations needed}} (November 2012), Unsourced passages need footnotes {{citation needed}} (June 2025), ... (October 2025) |
| Procellariiformes | Top | GA | 1 | October 2023 | ... (October 2023) |
| Psittacopasseres | Mid | Stub | 1 | February 2024 | ... (February 2024) |
| Ravi Sankaran | Low | Start | 1 | June 2015 | ... (June 2015) |
| Rhegmatorhina | Mid | C | 4 | May 2025 | Potentially dated statements (2025), Vague or ambiguous time (May 2025), ... (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Rock dove | High | B | 5 | June 2013 | Unsourced passages need footnotes {{citation needed}} (June 2013, December 2019, August 2021, February 2025), ... (February 2025) |
| Rokel River | Low | C | 1 | July 2013 | ... (July 2013) |
| Rufous-collared sparrow | Low | Start | 2 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008), ... (July 2014) |
| Sabine's gull | Mid | Start | 1 | December 2025 | ... (December 2025) |
| Saint Lucia amazon | Low | Start | 1 | March 2023 | ... (March 2023) |
| Scottish crossbill | Low | C | 4 | July 2024 | ... (July 2024), Weasel-worded phrases (July 2024), Unsourced passages need footnotes {{citation needed}} (July 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Seriema | High | Start | 1 | July 2023 | ... (July 2023) |
| Sharp-shinned hawk | Low | B | 2 | April 2016 | Unsourced passages need footnotes {{More citations needed}} (April 2016), ... (January 2026) |
| Sibley–Ahlquist taxonomy of birds | High | Start | 1 | October 2024 | ... (October 2024) |
| Sibsey Island | Low | Start | 5 | March 2013 | ... (March 2013), Factual verification needed (March 2013, January 2014), Unsourced passages need footnotes {{citation needed}} (June 2016), CS1 errors: archive-url |
| Sombrero, Anguilla | Low | Start | 1 | February 2023 | ... (February 2023) |
| Souza's shrike | Low | B | 1 | November 2025 | ... (November 2025) |
| Special Protection Area | Low | Stub | 2 | September 2006 | Potentially dated statements (September 2006), ... (February 2010) |
| Spotted owl | Low | B | 1 | January 2021 | ... (January 2021) |
| Steamer duck | Mid | Stub | 3 | November 2019 | Unsourced passages need footnotes {{citation needed}} (November 2019, January 2026), ... (January 2026) |
| Syrmaticus | Mid | C | 1 | August 2019 | ... (August 2019) |
| Tippler | Low | Start | 7 | July 2013 | Unsourced passages need footnotes {{citation needed}} (July 2013, October 2020), Unsourced passages need footnotes {{More citations needed}} (September 2014), Has general references but lacks inline footnotes (September 2014), ... (January 2015), CS1 errors: missing title, CS1 errors: bare URL |
| Vanikoro | Low | Start | 2 | October 2020 | ... (October 2020), Dead external links {{dead link}} (September 2024) |
| Vasa parrot | Mid | Start | 1 | October 2012 | ... (October 2012) |
| Vorona | Mid | Stub | 2 | August 2020 | Unsourced passages need footnotes {{citation needed}} (August 2020), ... (September 2022) |
| Walter Freeman Webb | Low | Stub | 2 | August 2020 | ... (August 2020), Unsourced passages need footnotes {{More citations needed}} (October 2025) |
| War pigeon | Low | Start | 1 | February 2021 | ... (February 2021) |
| West Peruvian dove | Low | Start | 1 | November 2024 | ... (November 2024) |
| White-crowned parrot | Low | Start | 1 | July 2023 | ... (July 2023) |
| White-faced heron | Low | C | 2 | May 2024 | Dead external links {{dead link}} (May 2024), ... (May 2024) |
| White-plumed honeyeater | Low | C | 3 | January 2017 | Unsourced passages need footnotes {{citation needed}} (January 2017), ... (January 2025), Has general references but lacks inline footnotes (January 2025) |
| Wildlife of Mongolia | Low | B | 1 | August 2023 | ... (August 2023) |
| William Brunsdon Yapp | Low | Stub | 2 | November 2023 | Detailed references needed, ... (November 2023) |
| Yellow cardinal | Mid | Start | 1 | May 2020 | ... (May 2020) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| RSL chicken | Low | Start | 5 | November 2016 | Notability unclear (November 2016), Orphaned (November 2016), ... (November 2016), Unsourced passages need footnotes {{More citations needed}} (January 2017), Dead external links {{dead link}} (July 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Common raven physiology | Low | Start | 2 | March 2014 | ... (March 2014) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Pale blue flycatcher | Low | Stub | 1 | February 2022 | ... (February 2022) |
| Richard Meinertzhagen | Low | C | 6 | April 2015 | Unsourced passages need footnotes {{citation needed}} (April 2015, July 2022, June 2024, September 2025), ... (May 2018), Weasel-worded phrases (September 2025) |
| Réunion kestrel | Low | Start | 2 | January 2021 | ... (January 2021), Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| South African ostrich | Low | Start | 2 | August 2017 | Unsourced passages need footnotes {{More citations needed}} (August 2017), ... (November 2025) |
| Yolkless egg | Low | Stub | 2 | September 2020 | Unsourced passages need footnotes {{citation needed}} (September 2020), ... (December 2021) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Black heron | Low | Start | 1 | February 2024 | ... (February 2024) |
| Dusky seaside sparrow | Low | C | 1 | August 2024 | ... (August 2024) |
| Somali sparrow | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Streptococcal infection in poultry | Low | Stub | 1 | February 2024 | ... (February 2024) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Allan Reginald McEvey | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Black-legged kittiwake | Low | Start | 3 | May 2024 | ... (May 2024), Weasel-worded phrases (May 2024), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Sarus crane | Low | GA | 2 | 2019 | Potentially dated statements (2019), ... (December 2024) |
| The State of Australia's Birds | Low | Start | 2 | August 2023 | ... (August 2023), Unsourced passages need footnotes {{citation needed}} (August 2023) |
| Tony Silva (BLP) | Low | Start | 3 | December 2022 | Failed verification (December 2022), Disputed statements (December 2022), ... (December 2022) |
| Waterfowl hunting | Low | C | 2 | January 2025 | ... (January 2025), CS1 errors: ISBN date |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Ajloun Forest Reserve | Low | Start | 1 | January 2021 | ... (January 2021) |
| Albatross | High | B | 3 | December 2022 | Unsourced passages need footnotes {{citation needed}} (December 2022, January 2026), ... (January 2026) |
| American Show Racer | Low | Stub | 1 | June 2015 | ... (June 2015) |
| American woodcock | Low | B | 1 | August 2025 | ... (August 2025) |
| Barbara Snow (ornithologist) | Mid | C | 3 | March 2011 | Incomplete lists (March 2011), CS1 errors: archive-url, ... (February 2026) |
| Bird vocalization | Top | B | 5 | September 2011 | Expansion needed (September 2011), Unsourced passages need footnotes {{citation needed}} (February 2022), ... (August 2022), Dead external links {{dead link}} (October 2023), CS1 errors: ISBN date |
| Black kite | Mid | C | 2 | February 2026 | CS1 errors: ISBN date, ... (February 2026) |
| Canada goose | Mid | C | 4 | February 2011 | Unsourced passages need footnotes {{citation needed}} (February 2011, January 2017, August 2024), ... (January 2025) |
| Carla Dove (BLP) | Low | C | 2 | July 2018 | Unsourced passages need footnotes {{citation needed}} (July 2018), ... (July 2018) |
| Common redstart | Low | Start | 2 | June 2019 | Unsourced passages need footnotes {{citation needed}} (June 2019), ... (April 2022) |
| Common snipe | Low | Start | 2 | February 2021 | Clarification needed (February 2021), ... (November 2024) |
| Companion parrot | Mid | Start | 2 | September 2010 | Unsourced passages need footnotes {{More citations needed}} (September 2010), ... (June 2023) |
| Cordillera ground warbler | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Crane hawk | Mid | Start | 2 | March 2016 | ... (March 2016), Page number citations needed (April 2024) |
| Daines Barrington | Low | Start | 3 | September 2023 | Unsourced passages need footnotes {{citation needed}} (September 2023), Clarification needed (December 2025), ... (December 2025) |
| Derek Mooney (BLP) | Low | C | 2 | November 2011 | ... (November 2011), Unsourced passages need footnotes {{citation needed}} (January 2019) |
| Distraction display | Mid | B | 1 | June 2021 | ... (June 2021) |
| Eddystone (Tasmania) | Low | Start | 2 | July 2015 | ... (July 2015), Unsourced passages need footnotes {{citation needed}} (July 2015) |
| Funds for Endangered Parrots | Low | Start | 1 | August 2022 | ... (August 2022) |
| Galapagos penguin | Low | Start | 6 | November 2023 | CS1 errors: requires URL, Unsourced passages need footnotes {{More citations needed}} (November 2023), Failed verification (May 2025), Cites unreliable sources (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025), ... (January 2026) |
| Greater spotted eagle | Low | C | 5 | December 2023 | Clarification needed (December 2023, January 2024), ... (January 2024), Style editing needed (January 2024), Failed verification (January 2024) |
| John James Audubon | High | B | 2 | September 2014 | ... (September 2014), Unsourced passages need footnotes {{citation needed}} (April 2017) |
| Jonathan Elphick (BLP) | Low | C | 2 | July 2021 | Unsourced passages need footnotes {{citation needed}} (July 2021), ... (July 2021) |
| Julia Parrish (BLP) | Low | C | 1 | October 2021 | ... (October 2021) |
| Kangaroo Island | Low | C | 8 | September 2012 | Unsourced passages need footnotes {{citation needed}} (September 2012, June 2014, June 2016, October 2025, December 2025), Page number citations needed (December 2020), Dead external links {{dead link}} (August 2025), ... (October 2025) |
| Lark bunting | Mid | Start | 2 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025), ... (February 2025) |
| Marbled godwit | Low | Start | 1 | July 2025 | ... (July 2025) |
| Maria Island | Low | C | 4 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024, January 2026), ... (April 2024), Links needing disambiguation (October 2025) |
| Minneriya National Park | Low | C | 2 | February 2016 | ... (February 2016), CS1 errors: archive-url |
| Northern spotted owl | Low | C | 3 | March 2021 | Introduction cleanup (March 2021), ... (November 2021), Unsourced passages need footnotes {{citation needed}} (May 2023) |
| Ostrich leather | Low | C | 6 | November 2012 | Clarification needed (November 2012, July 2024), Dead external links {{dead link}} (January 2019), ... (September 2022), Promotional tone (September 2022), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Peter Trusler (BLP) | Low | Start | 1 | September 2018 | ... (September 2018) |
| Phorusrhacidae | High | C | 1 | March 2025 | ... (March 2025) |
| Prairie warbler | Low | Start | 1 | November 2025 | ... (November 2025) |
| Quail hunting | Low | Start | 1 | October 2016 | ... (October 2016) |
| Rhegmatorhina | Mid | C | 4 | May 2025 | Potentially dated statements (2025), ... (May 2025), Clarification needed (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Sulawesi hornbill | Low | Stub | 3 | April 2010 | Detailed references needed, Unsourced passages need footnotes {{citation needed}} (April 2010), ... (May 2014) |
| The Finch Society of Australia | Low | Stub | 2 | February 2022 | Detailed references needed, ... (February 2022) |
| Towerkill | Mid | Start | 6 | July 2016 | Unsourced passages need footnotes {{citation needed}} (July 2016, August 2024, January 2025), ... (December 2018), Incomplete citations (January 2025), Cites unreliable sources (January 2025) |
| Visayan hornbill | Low | Start | 1 | November 2025 | ... (November 2025) |
| Wild turkey | High | C | 6 | January 2011 | Unsourced passages need footnotes {{citation needed}} (January 2011, November 2016, November 2022, November 2023, April 2024), ... (April 2022) |
| Wood duck | Mid | Start | 3 | February 2011 | Unsourced passages need footnotes {{citation needed}} (February 2011, January 2012), ... (April 2025) |
| Wrybill | Mid | C | 1 | August 2021 | ... (August 2021) |
| Ynys-hir RSPB reserve | Low | Start | 2 | December 2013 | Unsourced passages need footnotes {{More citations needed}} (December 2013), ... (May 2016) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 2021 songbird illness | Low | Stub | 2 | January 2025 | ... (January 2025, January 2025) |
| Bird bath | Mid | Start | 2 | September 2017 | ... (September 2017), Unsourced passages need footnotes {{More citations needed}} (July 2023) |
| Bird trapping | Low | Start | 4 | January 2014 | ... (January 2014), Dead external links {{dead link}} (September 2024), Clarification needed (September 2025), Weasel-worded phrases (September 2025) |
| Central Asian Flyway | Mid | Start | 3 | June 2019 | Dead external links {{dead link}} (June 2019), ... (March 2025, March 2025) |
| Domesticated quail | Mid | Start | 4 | January 2016 | Unsourced passages need footnotes {{More citations needed}} (January 2016), Has general references but lacks inline footnotes (January 2016), ... (February 2019, February 2019) |
| Great argus | Mid | C | 4 | January 2021 | Unsourced passages need footnotes {{citation needed}} (January 2021, February 2025), Has general references but lacks inline footnotes (October 2023), ... (December 2025) |
| Hooded crow | Low | C | 5 | February 2022 | Unsourced passages need footnotes {{citation needed}} (February 2022, April 2022, May 2025), ... (February 2022, February 2022) |
| International parrot trade | Mid | Start | 2 | August 2024 | ... (August 2024, August 2024) |
| List of birds of Mont-Tremblant National Park | Low | List | 2 | December 2021 | ... (December 2021, December 2021) |
| Saker falcon | Low | Start | 3 | November 2016 | ... (November 2016, November 2016), Unsourced passages need footnotes {{citation needed}} (September 2024) |
| The Green Planet, Dubai | Low | Start | 1 | March 2024 | ... (March 2024) |
| Trogon | High | B | 2 | April 2025 | ... (April 2025, April 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Chamicero de Perijá | Low | Stub | 1 | ||
| Las Breas de San Felipe, Cuba | Unknown | Stub | 1 | ||
| Mata do Passarinho Reserve | Low | Start | 1 | ||
| Mendijur Ornithological Park | Low | Stub | 2 | March 2025 | Has general references but lacks inline footnotes (March 2025) |
| SS Makambo | Low | Start | 2 | April 2018 | Dead external links {{dead link}} (April 2018) |
| South Western Slopes | Low | Start | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| North Island kōkako | Mid | C | 3 | May 2025 | Clarification needed (May 2025), Unsourced passages need footnotes {{More citations needed}} (May 2025), ... (May 2025) |
| Osmoregulation in rock doves | Low | C | 2 | June 2025 | ... (June 2025), Dead external links {{dead link}} (September 2025) |
| Warbling antbird | Low | C | 3 | August 2024 | Has general references but lacks inline footnotes (August 2024), ... (May 2025), Failed verification (July 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 2018 in birding and ornithology | Mid | List | 1 | October 2022 | ... (October 2022) |
| 2019 in birding and ornithology | Mid | List | 1 | July 2020 | ... (July 2020) |
| Adzebill | Mid | C | 4 | July 2025 | ... (July 2025), Weasel-worded phrases (July 2025), Unsourced passages need footnotes {{citation needed}} (July 2025), Clarification needed (July 2025) |
| Alpine swift | Low | C | 1 | December 2022 | ... (December 2022) |
| Avian brain | Mid | Start | 1 | October 2023 | ... (October 2023) |
| Battery cage | Mid | C | 7 | September 2009 | ... (September 2009), Dead external links {{dead link}} (October 2019, June 2024), Unsourced passages need footnotes {{citation needed}} (January 2023, March 2024, January 2026), Update needed (March 2023) |
| Bean goose | Low | Start | 4 | April 2011 | ... (April 2011), Unsourced passages need footnotes {{More citations needed}} (August 2024), Unsourced passages need footnotes {{citation needed}} (August 2024, September 2024) |
| Bird egg | Mid | Start | 4 | December 2012 | Unsourced passages need footnotes {{citation needed}} (December 2012, February 2021), Page number citations needed (January 2021), ... (May 2024) |
| Bird vocalization | Top | B | 5 | September 2011 | ... (September 2011), Unsourced passages need footnotes {{citation needed}} (February 2022), Vague or ambiguous time (August 2022), Dead external links {{dead link}} (October 2023), CS1 errors: ISBN date |
| Chari-Dhand Wetland Conservation Reserve | Low | Start | 2 | January 2011 | ... (January 2011), Dead external links {{dead link}} (November 2016) |
| Chestnut-mandibled toucan | Mid | Start | 1 | December 2009 | ... (December 2009) |
| Cinereous | Low | Stub | 1 | June 2023 | ... (June 2023) |
| Common myna | Low | B | 3 | January 2022 | Page number citations needed (January 2022), ... (January 2022), Dead external links {{dead link}} (December 2023) |
| Dhilba Guuranda–Innes National Park | Low | C | 2 | May 2021 | Unsourced passages need footnotes {{citation needed}} (May 2021), ... (June 2021) |
| Hispaniolan Ornithological Society | Low | Stub | 1 | May 2025 | ... (May 2025) |
| Howard and Moore Complete Checklist of the Birds of the World | Low | Start | 2 | July 2008 | Unsourced passages need footnotes {{More citations needed}} (July 2008), ... (July 2008) |
| Juehuaornis | Low | Stub | 1 | November 2017 | ... (November 2017) |
| K'gari | Low | B | 7 | 2015 | Potentially dated statements (2015), Unsourced passages need footnotes {{citation needed}} (May 2016, October 2021, June 2023, March 2024), Weasel-worded phrases (August 2023), ... (January 2024) |
| List of endemic birds of Mexico and northern Central America | Low | List | 2 | June 2008 | ... (June 2008), Incomplete lists (August 2008) |
| List of endemic birds of eastern North America | Low | List | 2 | June 2008 | ... (June 2008), Incomplete lists (August 2008) |
| Mani the parakeet | Low | Start | 1 | July 2010 | ... (July 2010) |
| Mare aux Songes | Low | Start | 2 | September 2012 | Page number citations needed (September 2012), ... (June 2013) |
| Mimid | High | Start | 1 | June 2008 | ... (June 2008) |
| Monk parakeet | Low | B | 5 | June 2023 | Unsourced passages need footnotes {{citation needed}} (June 2023, September 2024, October 2024, November 2024), ... (August 2025) |
| North Warren RSPB reserve | Low | Start | 3 | October 2010 | Dead external links {{dead link}} (October 2010, January 2020), ... (January 2011) |
| Physiology of underwater diving | Low | C | 3 | February 2020 | ... (February 2020, March 2020, December 2021) |
| Red junglefowl | High | C | 2 | May 2021 | ... (May 2021), Unsourced passages need footnotes {{citation needed}} (August 2022) |
| Stuhlmann's starling | Low | Stub | 1 | February 2019 | ... (February 2019) |
| Thrasher | Mid | Stub | 1 | February 2020 | ... (February 2020) |
| Tufted titmouse | Low | Start | 2 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020), ... (January 2026) |
| Water bird | Low | C | 2 | November 2022 | ... (November 2022), Limited geographic scope (November 2022) |
| White-rumped monjita | Low | Start | 1 | July 2025 | ... (July 2025) |
| Wreck Island | Low | Start | 1 | July 2010 | ... (July 2010) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 1980s in birding and ornithology | Low | List | 1 | December 2013 | ... (December 2013) |
| Aviary | Low | Start | 1 | October 2011 | ... (October 2011) |
| Barbara Snow (ornithologist) | Mid | C | 3 | March 2011 | ... (March 2011), CS1 errors: archive-url, Vague or ambiguous time (February 2026) |
| British Trust for Ornithology | Low | Start | 1 | October 2020 | ... (October 2020) |
| Charles Tunnicliffe | Low | Start | 1 | August 2008 | ... (August 2008) |
| Chris Mead | Low | Start | 1 | February 2011 | ... (February 2011) |
| Coenraad Jacob Temminck | Low | Start | 1 | February 2011 | ... (February 2011) |
| Conspectus of the Ornithological Fauna of the USSR | Low | Stub | 1 | August 2008 | ... (August 2008) |
| David Armitage Bannerman | Low | Start | 1 | August 2008 | ... (August 2008) |
| David Morrison Reid Henry | Low | Stub | 1 | August 2008 | ... (August 2008) |
| David Snow (ornithologist) | Mid | Stub | 1 | August 2008 | ... (August 2008) |
| David Tipling (BLP) | Low | B | 3 | June 2008 | Unsourced passages need footnotes {{citation needed}} (June 2008, May 2022), ... (December 2010) |
| Great Florida Birding Trail | Low | Stub | 1 | April 2018 | ... (April 2018) |
| Hypothetical species | Low | Stub | 1 | June 2022 | ... (June 2022) |
| Ian Wallace (ornithologist) | Low | Stub | 1 | August 2008 | ... (August 2008) |
| James Fisher (naturalist) | Low | Start | 3 | August 2008 | ... (August 2008), Unsourced passages need footnotes {{More citations needed}} (February 2024), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| John Charles Phillips | Low | Start | 2 | February 2017 | Has general references but lacks inline footnotes (February 2017), ... (March 2017) |
| Karel Voous | Low | Stub | 1 | August 2008 | ... (August 2008) |
| Lars Jonsson (illustrator) (BLP) | Low | Stub | 1 | August 2008 | ... (August 2008) |
| List of Important Bird Areas in the United Kingdom | Low | List | 1 | August 2008 | ... (August 2008) |
| List of U.S. county birds | Low | List | 1 | August 2008 | ... (August 2008) |
| List of United Kingdom bird clubs and ornithological societies | Low | List | 1 | December 2016 | ... (December 2016) |
| List of bird species described in the 2020s | Low | List | 1 | June 2025 | ... (June 2025) |
| List of endemic birds of Mexico and northern Central America | Low | List | 2 | June 2008 | Expansion needed (June 2008), ... (August 2008) |
| List of endemic birds of South Asia | Low | List | 2 | October 2015 | Unsourced passages need footnotes {{More citations needed}} (October 2015), ... (July 2021) |
| List of endemic birds of eastern North America | Low | List | 2 | June 2008 | Expansion needed (June 2008), ... (August 2008) |
| List of endemic birds of the Philippines | Low | List | 1 | February 2021 | ... (February 2021) |
| List of endemic birds of the West Indies | Low | Start | 1 | August 2008 | ... (August 2008) |
| List of endemic birds of western North America | Low | List | 1 | August 2008 | ... (August 2008) |
| List of seawatching locations by country | Low | List | 1 | June 2020 | ... (June 2020) |
| List of secondary endemic bird areas of the world | Low | List | 1 | August 2008 | ... (August 2008) |
| List of terms used in bird topography | Mid | List | 1 | August 2008 | ... (August 2008) |
| Malcolm Ogilvie (BLP) | Low | Start | 1 | August 2008 | ... (August 2008) |
| North American landbirds in Britain | Low | Stub | 2 | August 2008 | ... (August 2008), Cites no sources (February 2026) |
| Pacific Flyway | Mid | Stub | 2 | July 2023 | ... (July 2023), Unsourced passages need footnotes {{citation needed}} (July 2023) |
| Penny Olsen (BLP) | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Peter Colston (ornithologist) (BLP) | Low | Stub | 1 | August 2008 | ... (August 2008) |
| Philip Hollom | Low | Stub | 2 | August 2008 | ... (August 2008), Dead external links {{dead link}} (May 2020) |
| Robert Gillmor | Low | Start | 2 | August 2008 | ... (August 2008), Unsourced passages need footnotes {{citation needed}} (May 2022) |
| Royal Society for the Protection of Birds | Mid | C | 2 | August 2008 | ... (August 2008), Weasel-worded phrases (October 2013) |
| West Midland Bird Club | Low | Start | 1 | August 2008 | ... (August 2008) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| BirdNote | Low | Start | 4 | December 2024 | External link cleanup {{external links}} (December 2024), ... (January 2025), Has general references but lacks inline footnotes (January 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Butcherbird | Mid | Start | 1 | June 2024 | ... (June 2024) |
| Crag chilia | Low | Start | 1 | March 2024 | ... (March 2024) |
| Cream-backed woodpecker | Low | Start | 1 | June 2024 | ... (June 2024) |
| Deep Play: Notes on the Balinese Cockfight | Low | Start | 5 | June 2011 | Unsourced passages need footnotes {{More citations needed}} (June 2011), Cites unreliable sources (May 2024), Weasel-worded phrases (May 2024), ... (May 2024), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Eagle eye | Low | C | 1 | May 2021 | ... (May 2021) |
| Eastern kingbird | Low | Start | 1 | August 2019 | ... (August 2019) |
| Feral parrot | Low | Start | 3 | December 2014 | ... (December 2014), Unsourced passages need footnotes {{More citations needed}} (March 2020), Dead external links {{dead link}} (May 2025) |
| Grey grasswren | Low | C | 1 | February 2021 | ... (February 2021) |
| Incubator (egg) | Mid | Stub | 1 | December 2020 | ... (December 2020) |
| Iwo Jima rail | Low | Start | 1 | February 2016 | ... (February 2016) |
| Malleefowl | Mid | C | 1 | September 2022 | ... (September 2022) |
| Northern spotted owl | Low | C | 3 | March 2021 | ... (March 2021), Vague or ambiguous time (November 2021), Unsourced passages need footnotes {{citation needed}} (May 2023) |
| Recherche Archipelago | Low | B | 3 | January 2018 | Dead external links {{dead link}} (January 2018, April 2018), ... (January 2021) |
| Scarlet tanager | Low | Start | 1 | October 2023 | ... (October 2023) |
| Syrian woodpecker | Low | Start | 2 | November 2015 | ... (November 2015), Has general references but lacks inline footnotes (November 2015) |
| William Elford Leach | Mid | C | 1 | January 2026 | ... (January 2026) |
| Yellow warbler | Low | C | 1 | July 2018 | ... (July 2018) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Australian Field Ornithology | Low | Stub | 3 | 2017 | Potentially dated statements (2017), ... (September 2022), Unsourced passages need footnotes {{More citations needed}} (September 2022) |
| Blue Foot | Low | Stub | 1 | August 2014 | ... (August 2014) |
| Brenton See (BLP) | Low | Stub | 1 | March 2022 | ... (March 2022) |
| Charles S. Thompson (ornithologist) | Low | Start | 2 | October 2020 | ... (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020) |
| Cornwall Birdwatching and Preservation Society | Low | Start | 2 | February 2020 | Cites unreliable sources (February 2020), ... (February 2020) |
| Danish Tumbler | Low | Stub | 2 | August 2012 | Cites no sources (August 2012), ... (July 2025) |
| Frank Beebe | Low | Start | 2 | November 2008 | Cites unreliable sources (November 2008), ... (December 2017) |
| Friedrich Steinbacher | Low | Stub | 2 | July 2023 | Cites unreliable sources (July 2023), ... (July 2023) |
| Glen Chilton (BLP) | Low | Start | 2 | March 2017 | Unsourced passages need footnotes {{citation needed}} (March 2017), ... (December 2017) |
| Gordon Beruldsen | Low | Stub | 3 | July 2024 | ... (July 2024), Has general references but lacks inline footnotes (July 2024), Cites unreliable sources (July 2024) |
| Gustav Kramer | Low | Stub | 2 | December 2012 | ... (December 2012), Unsourced passages need footnotes {{More citations needed}} (February 2013) |
| Henry Lawrie Bell | Low | Stub | 2 | February 2023 | ... (February 2023), Has general references but lacks inline footnotes (February 2023) |
| Miklos Udvardy | Low | Start | 3 | February 2016 | Unsourced passages need footnotes {{More citations needed}} (February 2016), ... (February 2016), Style editing needed (August 2022) |
| Nik Borrow (BLP) | Low | Start | 2 | June 2013 | ... (June 2013), Unsourced passages need footnotes {{citation needed}} (January 2023) |
| North American Falconers Association | Low | Stub | 2 | August 2025 | ... (August 2025), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Queensland Ornithological Society Inc | Low | Stub | 2 | September 2015 | ... (September 2015), Unsourced passages need footnotes {{More citations needed}} (September 2015) |
| RSL chicken | Low | Start | 5 | November 2016 | ... (November 2016), Orphaned (November 2016), Context needed (November 2016), Unsourced passages need footnotes {{More citations needed}} (January 2017), Dead external links {{dead link}} (July 2025) |
| Société centrale d'aviculture de France | Low | Stub | 1 | February 2021 | ... (February 2021) |
| Tito Narosky (BLP) | Low | Stub | 4 | August 2015 | Cites unreliable sources (August 2015), ... (August 2015), Has general references but lacks inline footnotes (August 2015), CS1 errors: periodical ignored |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Gruiformes | Top | C | 2 | April 2016 | Unsourced passages need footnotes {{citation needed}} (April 2016), ... (November 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Black-necked cranes in Bhutan | Low | B | 1 | March 2018 | ... (March 2018) |
| Sagittariidae | Mid | Stub | 1 | September 2023 | ... (September 2023) |
| Weyns's weaver | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Abberton Reservoir | Mid | FA | 1 | 2021 | ... (2021) |
| Abrolhos painted buttonquail | Low | Start | 1 | July 2022 | ... (July 2022) |
| Adélie penguin | Low | Start | 2 | June 2012 | ... (June 2012), Unsourced passages need footnotes {{citation needed}} (January 2019) |
| Ashy flycatcher | Low | GA | 1 | 2022 | ... (2022) |
| Auckland Islands | Low | C | 1 | 2008 | ... (2008) |
| Australian Field Ornithology | Low | Stub | 3 | 2017 | ... (2017), Notability unclear (September 2022), Unsourced passages need footnotes {{More citations needed}} (September 2022) |
| Avian malaria | Low | Start | 2 | 2015 | ... (2015), Unsourced passages need footnotes {{citation needed}} (August 2022) |
| Aylesbury duck | Low | FA | 1 | 2021 | ... (2021) |
| Azure-shouldered tanager | Low | GA | 1 | 2024 | ... (2024) |
| Bald eagle | High | FA | 3 | 2007 | ... (2007), Failed verification (December 2025), Reference cleanup (January 2026) |
| Bill Lishman | Low | B | 2 | 2017 | ... (2017), Unsourced passages need footnotes {{citation needed}} (April 2020) |
| Bird | Top | FA | 3 | 2022 | ... (2022), Page number citations needed (January 2025), CS1 errors: ISBN date |
| BirdLife International | High | Start | 1 | 2015 | ... (2015) |
| Birds of Cornwall | Low | Start | 2 | 2012 | ... (2012), Factual verification needed (January 2017) |
| Birdy Kids | Unknown | Start | 1 | 2014 | ... (2014) |
| Black-breasted buttonquail | Mid | FA | 1 | 2021 | ... (2021) |
| Black-eared miner | Low | Start | 1 | 2022 | ... (2022) |
| Black-fronted wood quail | Low | Start | 1 | 2023 | ... (2023) |
| Black-tailed godwit | Low | B | 1 | November 2025 | ... (November 2025) |
| Broiler | Low | C | 4 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014), ... (2018), CS1 errors: requires URL, Update needed (February 2021) |
| Cassowary | Mid | C | 3 | 2019 | ... (2019), Unsourced passages need footnotes {{citation needed}} (January 2022), Clarification needed (July 2024) |
| Celestial monarch | Low | Stub | 1 | 2021 | ... (2021) |
| Central Park mandarin duck | Low | GA | 1 | December 2019 | ... (December 2019) |
| Chandler Robbins | Mid | C | 1 | 2015 | ... (2015) |
| Cherry-throated tanager | Low | FA | 2 | 2020 | ... (2020, 2024) |
| Chicken | Top | GA | 1 | 2018 | ... (2018) |
| Chris Perrins (BLP) | Low | Stub | 4 | July 2016 | ... (2016), Unsourced passages need footnotes {{citation needed}} (July 2016, February 2018), Dead external links {{dead link}} (June 2025) |
| Cockfighting | Mid | C | 7 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020, January 2022, May 2024), ... (2023), Unsourced passages need footnotes {{More citations needed}} (May 2024), Dead external links {{dead link}} (November 2024, June 2025) |
| Colin Miskelly (BLP) | Low | C | 1 | December 2024 | ... (December 2024) |
| Comino | Low | C | 2 | 2023 | ... (2023), Link rot cleanup (August 2024) |
| Coorong National Park | Low | Start | 1 | 2021 | ... (2021) |
| Curlew | Mid | Start | 1 | 2019 | ... (2019) |
| Currumbin Wildlife Sanctuary | Low | C | 1 | November 2020 | ... (November 2020) |
| Dermanyssus gallinae | Low | Start | 1 | 2020 | ... (2020) |
| Dickin Medal | Low | FL | 2 | January 2023 | ... (January 2023), Dead external links {{dead link}} (September 2025) |
| Duclair duck | Low | Stub | 1 | 2005 | ... (2005) |
| EBird | Low | Start | 2 | February 2024 | ... (February 2024), Cites unreliable sources (December 2024) |
| Eastern bristlebird | Low | Start | 1 | 2021 | ... (2021) |
| Eastern osprey | Low | C | 6 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, October 2023), Dead external links {{dead link}} (October 2023), ... (2024, July 2024), Clarification needed (August 2025) |
| Fauna of Scotland | High | FA | 2 | 2018 | ... (2018), CS1 errors: archive-url |
| Flea | High | GA | 1 | 2023 | ... (2023) |
| Forty-spotted pardalote | Low | Start | 2 | September 2021 | ... (September 2021), Unsourced passages need footnotes {{citation needed}} (September 2021) |
| Gentoo penguin | Low | C | 1 | 2019 | ... (2019) |
| Great knot | Low | Start | 2 | August 2023 | ... (August 2023), Page number citations needed (September 2024) |
| Herald petrel | Low | Start | 1 | July 2022 | ... (July 2022) |
| Heron Island (Queensland) | Low | B | 2 | April 2008 | Factual verification needed (April 2008), ... (June 2020) |
| Houtman Abrolhos | Low | B | 3 | 2007 | ... (2007, 2012), Unsourced passages need footnotes {{citation needed}} (March 2008) |
| Hylophilus | Mid | Stub | 1 | 2014 | ... (2014) |
| Ikara–Flinders Ranges National Park | Low | B | 2 | November 2023 | Unsourced passages need footnotes {{citation needed}} (November 2023), ... (August 2025) |
| Isle of May | Low | Start | 1 | 2015 | ... (2015) |
| Ivory-billed woodpecker | High | B | 4 | 2007 | ... (2007), Dead external links {{dead link}} (November 2023), Factual verification needed (March 2025), Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Jangmigye | Low | Start | 1 | 2021 | ... (2021) |
| John Silver (pigeon) | Low | Stub | 2 | 2010 | ... (2010), Unsourced passages need footnotes {{More citations needed}} (July 2011) |
| K'gari | Low | B | 7 | 2015 | ... (2015), Unsourced passages need footnotes {{citation needed}} (May 2016, October 2021, June 2023, March 2024), Weasel-worded phrases (August 2023), Expansion needed (January 2024) |
| Kiwi (bird) | High | B | 4 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013), ... (2018), CS1 errors: archive-url, Failed verification (November 2024) |
| Kızılırmak Delta | Low | GA | 2 | 2025 | ... (2025), Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Laysan albatross | Low | B | 5 | March 2011 | Unsourced passages need footnotes {{citation needed}} (March 2011, December 2022), ... (2021), Dead external links {{dead link}} (November 2024), CS1 errors: ISBN date |
| List of Important Bird Areas in Japan | Low | List | 1 | April 2022 | ... (April 2022) |
| List of Migratory Bird Sanctuaries of Canada | Low | List | 2 | July 2025 | ... (July 2025, August 2025) |
| List of birds of Atacama Region | Low | List | 2 | September 2025 | Unsourced passages need footnotes {{More citations needed}} (September 2025), ... (September 2025) |
| List of birds of Aysén Region | Low | List | 2 | November 2024 | ... (November 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| List of birds of Coquimbo Region | Low | List | 1 | November 2024 | ... (November 2024) |
| List of birds of Fernando de Noronha | Low | List | 1 | November 2024 | ... (November 2024) |
| List of birds of Great Britain | Low | List | 1 | 2023 | ... (2023) |
| List of birds of Pernambuco | Low | List | 2 | September 2025 | Unsourced passages need footnotes {{More citations needed}} (September 2025), ... (September 2025) |
| List of birds of Washington, D.C. | Low | List | 1 | June 2021 | ... (June 2021) |
| List of birds of the Juan Fernández Islands | Low | List | 1 | November 2024 | ... (November 2024) |
| Lovebird | High | C | 3 | 2019 | ... (2019), Unsourced passages need footnotes {{More citations needed}} (January 2025), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Macauley Island | Low | GA | 1 | 2015 | ... (2015) |
| Mackenziaena | Mid | Stub | 1 | 2017 | ... (2017) |
| Markham's storm petrel | Low | FA | 1 | 2019 | ... (2019) |
| Murray River National Park | Low | Start | 1 | 2022 | ... (2022) |
| Negit Island | Mid | Start | 1 | 2004 | ... (2004) |
| Night parrot | Low | C | 1 | July 2022 | ... (July 2022) |
| Norfolk Island | Low | B | 11 | 2004 | ... (2004, 2010, 2014), Unsourced passages need footnotes {{citation needed}} (June 2016, September 2018, April 2024, April 2025, October 2025), Dead external links {{dead link}} (February 2018), Unsourced passages need footnotes {{More citations needed}} (December 2021), Original research (February 2023) |
| Okarito kiwi | Low | C | 1 | 2019 | ... (2019) |
| One Tree Island (Queensland) | Low | Start | 3 | November 2024 | Reference errors, ... (November 2024), Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Orange-bellied parrot | Low | C | 5 | May 2012 | Unsourced passages need footnotes {{citation needed}} (May 2012, March 2022, June 2022), ... (2021), Update needed (July 2022) |
| Paektu Mountain | Low | C | 8 | 2013 | ... (2013), Unsourced passages need footnotes {{citation needed}} (June 2015, September 2015, May 2016, August 2018, April 2023), Weasel-worded phrases (April 2023), Update needed (April 2023) |
| Parakeet | Mid | Start | 4 | January 2009 | Unsourced passages need footnotes {{More citations needed}} (January 2009), ... (2023), Unsourced passages need footnotes {{citation needed}} (March 2023, April 2023) |
| Poultry | Low | GA | 2 | 2022 | ... (2022), CS1 errors: ISBN date |
| Przevalski's nuthatch | High | FA | 2 | 2024 | ... (2024), CS1 errors: ISBN date |
| Raine Island | Low | C | 2 | April 2019 | Unsourced passages need footnotes {{citation needed}} (April 2019), ... (June 2020) |
| Regent honeyeater | Low | C | 1 | June 2020 | ... (June 2020) |
| Rhegmatorhina | Mid | C | 4 | May 2025 | ... (2025), Vague or ambiguous time (May 2025), Clarification needed (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Rheiformes | Low | Start | 1 | 2022 | ... (2022) |
| Rottnest Island | Low | C | 11 | November 2011 | Unsourced passages need footnotes {{citation needed}} (November 2011, February 2021, April 2022, January 2023, March 2025), ... (June 2016, 2019), CS1 errors: archive-url, Dead external links {{dead link}} (February 2021, October 2022), Page number citations needed (April 2025) |
| Sarus crane | Low | GA | 2 | 2019 | ... (2019), Vague or ambiguous geographic scope (December 2024) |
| Sea Lion Island | Low | Start | 1 | 1995 | ... (1995) |
| Shy albatross | Low | C | 2 | June 2020 | ... (June 2020), Unsourced passages need footnotes {{citation needed}} (June 2020) |
| Sirocco (parrot) | Low | C | 1 | December 2022 | ... (December 2022) |
| Socorro dove | Low | B | 2 | 2011 | ... (2011), Unsourced passages need footnotes {{citation needed}} (August 2022) |
| Southern cassowary | Low | B | 2 | 2018 | ... (2018), Unsourced passages need footnotes {{citation needed}} (January 2026) |
| Southern emu-wren | Low | Start | 1 | 2022 | ... (2022) |
| Special Protection Area | Low | Stub | 2 | September 2006 | ... (September 2006), Clarification needed (February 2010) |
| Starling | High | B | 2 | 2007 | ... (2007), Update needed (December 2019) |
| Storrs L. Olson | Low | Start | 1 | 2009 | ... (2009) |
| Swallow-tailed kite | Mid | Start | 2 | October 2024 | ... (2024), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Thick-billed grasswren | Low | Start | 1 | July 2022 | ... (July 2022) |
| Tyto | Mid | Start | 2 | February 2007 | Unsourced passages need footnotes {{citation needed}} (February 2007), ... (May 2025) |
| Vini (bird) | Mid | Stub | 1 | 2017 | ... (2017) |
| Vulkathunha-Gammon Ranges National Park | Low | B | 3 | June 2016 | Unsourced passages need footnotes {{More citations needed}} (June 2016, August 2025), ... (August 2025) |
| White-throated grasswren | Low | Stub | 1 | 2022 | ... (2022) |
| Whooping crane | Mid | B | 2 | September 2025 | ... (2025), Dead external links {{dead link}} (September 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Clay-colored sparrow | Low | Start | 2 | September 2024 | Has general references but lacks inline footnotes (September 2024), ... (September 2024) |
| J. Drew Lanham (BLP) | Low | Start | 1 | October 2022 | ... (October 2022) |
| List of birds of Victoria | Low | List | 1 | January 2026 | ... (January 2026) |
| Memorandum of Understanding on the Conservation of Migratory Birds of Prey in Africa and Eurasia | Low | Start | 1 | September 2015 | ... (September 2015) |
| Old German Cropper | Low | Stub | 1 | September 2023 | ... (September 2023) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Falconry | High | B | 9 | September 2013 | Page number citations needed (September 2013), Unsourced passages need footnotes {{citation needed}} (April 2016, April 2024, September 2024, April 2025), ... (November 2022), Unsourced passages need footnotes {{More citations needed}} (November 2022), Original research (April 2024), Clarification needed (April 2025) |
| Gisela Kaplan (BLP) | Low | C | 1 | April 2020 | ... (April 2020) |
| Greater spotted eagle | Low | C | 5 | December 2023 | Clarification needed (December 2023, January 2024), Vague or ambiguous time (January 2024), ... (January 2024), Failed verification (January 2024) |
| Icelandic chicken | Low | Stub | 2 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021), ... (July 2025) |
| Miklos Udvardy | Low | Start | 3 | February 2016 | Unsourced passages need footnotes {{More citations needed}} (February 2016), Notability unclear (February 2016), ... (August 2022) |
| My Life as a Turkey | Low | Stub | 1 | January 2022 | ... (January 2022) |
| Orford, Tasmania | Low | C | 4 | October 2024 | ... (October 2024), Promotional tone (October 2024), Unsourced passages need footnotes {{More citations needed}} (October 2024), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Pauline Neura Reilly | Low | Start | 1 | May 2020 | ... (May 2020) |
| Sea eagle | Low | Start | 3 | March 2025 | Disputed statements (March 2025), Unsourced passages need footnotes {{citation needed}} (August 2025), ... (August 2025) |
| Wedge-tailed eagle | Mid | B | 3 | October 2024 | ... (October 2024), Too long (October 2024), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Western screech owl | Low | Start | 2 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025), ... (August 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Cooper's hawk | Low | B | 1 | February 2023 | ... (February 2023) |
| Hummingbird | Top | GA | 2 | March 2024 | Clarification needed (March 2024), ... (January 2026) |
| Long-eared owl | Low | B | 1 | January 2022 | ... (January 2022) |
| Steppe eagle | Low | B | 1 | November 2023 | ... (November 2023) |
| Wedge-tailed eagle | Mid | B | 3 | October 2024 | Style editing needed (October 2024), ... (October 2024), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| White-tailed eagle | Mid | B | 3 | September 2025 | ... (September 2025), Reference cleanup (November 2025), Dead external links {{dead link}} (December 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Adelaide International Bird Sanctuary National Park | Low | Start | 2 | May 2017 | Unsourced passages need footnotes {{citation needed}} (May 2017), ... (December 2021) |
| Battery cage | Mid | C | 7 | September 2009 | Expansion needed (September 2009), Dead external links {{dead link}} (October 2019, June 2024), Unsourced passages need footnotes {{citation needed}} (January 2023, March 2024, January 2026), ... (March 2023) |
| Beowa National Park | Low | C | 1 | November 2023 | ... (November 2023) |
| Bird-of-paradise | High | C | 3 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025, July 2025), ... (March 2025) |
| Broiler | Low | C | 4 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014), Potentially dated statements (2018), CS1 errors: requires URL, ... (February 2021) |
| Common murre | Low | C | 5 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012, May 2013, September 2014, August 2024), ... (December 2024) |
| Coringa-Herald National Nature Reserve | Low | Stub | 1 | July 2015 | ... (July 2015) |
| Cormorant | High | C | 9 | November 2007 | Factual verification needed (November 2007), Unsourced passages need footnotes {{citation needed}} (June 2016, July 2018, May 2020, October 2020, September 2024), ... (June 2023), Cites unreliable sources (September 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Darwin's finches | Mid | C | 1 | December 2025 | ... (December 2025) |
| Emu War | Mid | B | 2 | August 2021 | Page number citations needed (August 2021), ... (January 2024) |
| Feral pigeon | Low | C | 3 | June 2015 | Limited geographic scope (June 2015), ... (July 2019), CS1 errors: archive-url |
| Guam rail | Low | Start | 4 | October 2010 | Dead external links {{dead link}} (October 2010), Unsourced passages need footnotes {{citation needed}} (September 2024, May 2025), ... (December 2024) |
| Gurney's pitta | Low | C | 1 | December 2023 | ... (December 2023) |
| Humphrey–Parkes terminology | High | Stub | 1 | February 2026 | ... (February 2026) |
| List of birds by population | Mid | List | 1 | December 2024 | ... (December 2024) |
| List of countries by meat consumption | High | List | 1 | June 2022 | ... (June 2022) |
| List of endangered and protected species of China | Low | List | 2 | July 2021 | ... (July 2021, December 2024) |
| Mandarin duck | Mid | Start | 3 | August 2011 | Unsourced passages need footnotes {{citation needed}} (August 2011, November 2018), ... (November 2024) |
| Murphy (bald eagle) | Low | GA | 1 | January 2026 | ... (January 2026) |
| NYC Bird Alliance | Low | Start | 1 | May 2017 | ... (May 2017) |
| New Caledonian lorikeet | Low | C | 3 | November 2013 | ... (November 2013), Unsourced passages need footnotes {{citation needed}} (June 2025), Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| Operation Migration | Low | Start | 2 | March 2011 | ... (March 2011), Unsourced passages need footnotes {{More citations needed}} (February 2013) |
| Orange-bellied parrot | Low | C | 5 | May 2012 | Unsourced passages need footnotes {{citation needed}} (May 2012, March 2022, June 2022), Potentially dated statements (2021), ... (July 2022) |
| Paektu Mountain | Low | C | 8 | 2013 | Potentially dated statements (2013), Unsourced passages need footnotes {{citation needed}} (June 2015, September 2015, May 2016, August 2018, April 2023), Weasel-worded phrases (April 2023), ... (April 2023) |
| Pebble Island | Low | Start | 1 | April 2018 | ... (April 2018) |
| Pelecaniformes | Top | Start | 2 | April 2025 | Factual verification needed (April 2025), ... (April 2025) |
| Petrel | High | Start | 3 | September 2021 | ... (September 2021), Unsourced passages need footnotes {{citation needed}} (October 2025, November 2025) |
| Pumicestone Channel | Low | Start | 1 | December 2017 | ... (December 2017) |
| Red-eyed vireo | Low | Start | 2 | June 2022 | Weasel-worded phrases (June 2022), ... (June 2022) |
| Screech owl | Mid | B | 1 | September 2019 | ... (September 2019) |
| Seabird | Top | B | 2 | April 2021 | Unsourced passages need footnotes {{citation needed}} (April 2021), ... (April 2021) |
| Siberian crane | Low | Start | 2 | March 2024 | ... (March 2024), Unsourced passages need footnotes {{citation needed}} (September 2024) |
| Siberian sand plover | Low | Start | 1 | July 2023 | ... (July 2023) |
| Starling | High | B | 2 | 2007 | Potentially dated statements (2007), ... (December 2019) |
| Syrinx (bird anatomy) | Low | Start | 1 | February 2022 | ... (February 2022) |
| The Birds of Africa | Low | Stub | 2 | August 2014 | ... (August 2014), Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Tiwi Islands | Low | B | 2 | November 2016 | Dead external links {{dead link}} (November 2016), ... (July 2019) |
| Tweet of the Day | Low | Stub | 1 | October 2020 | ... (October 2020) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Alejandro Selkirk firecrown | Low | Start | 1 | May 2025 | ... (May 2025) |
| Elementaves | Low | Stub | 1 | April 2024 | ... (April 2024) |
| Falconry training and technique | Low | C | 3 | October 2018 | Clarification needed (October 2018), Has general references but lacks inline footnotes (September 2020), ... (August 2025) |
| Leroy Wilcox | Low | C | 1 | May 2024 | ... (May 2024) |
| Mongolian gull | Low | Start | 1 | September 2024 | ... (September 2024) |
| Psittacopedidae | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Richard Veit (BLP) | Low | Start | 2 | September 2024 | Unsourced passages need footnotes {{citation needed}} (September 2024), ... (September 2024) |
| Rothschild's emu | Low | Stub | 1 | December 2024 | ... (December 2024) |
| The Blue Feet Foundation | Low | Stub | 1 | June 2024 | ... (June 2024) |
| Tologuica | Low | Start | 2 | February 2024 | ... (February 2024), Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Lineated woodpecker | Low | Start | 2 | January 2026 | Unsourced passages need footnotes {{More citations needed}} (January 2026), ... (January 2026) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Collosogavis | Low | Stub | 3 | February 2026 | CS1 errors: access-date without URL, Has general references but lacks inline footnotes (February 2026) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 2014 in archosaur paleontology | Low | List | 1 | September 2019 | ... (September 2019) |
| Acadian flycatcher | Low | Start | 2 | May 2023 | Unsourced passages need footnotes {{citation needed}} (May 2023), ... (August 2025) |
| African hawk-eagle | Low | Start | 1 | August 2025 | ... (August 2025) |
| African sacred ibis | Low | C | 1 | August 2025 | ... (August 2025) |
| Ajoy Home | Low | Start | 2 | February 2017 | Unsourced passages need footnotes {{citation needed}} (February 2017), ... (October 2025) |
| Akalat | Mid | Start | 1 | August 2023 | ... (August 2023) |
| Amazon parrot | Mid | GA | 1 | July 2022 | ... (July 2022) |
| American Birding Association | Mid | Start | 2 | August 2013 | Cites unreliable sources (August 2013), ... (May 2025) |
| Anatidae | High | B | 5 | January 2008 | Unsourced passages need footnotes {{citation needed}} (January 2008, January 2009, November 2014), ... (August 2023), Clarification needed (June 2025) |
| Andean condor | Mid | FA | 2 | August 2023 | ... (August 2023), CS1 errors: ISBN date |
| Andries Hoogerwerf | Low | Stub | 1 | October 2016 | ... (October 2016) |
| Anthracite budgerigar mutation | Low | Start | 2 | July 2009 | Unsourced passages need footnotes {{More citations needed}} (July 2009), ... (October 2016) |
| Anwaruddin Choudhury (BLP) | Low | C | 6 | October 2016 | ... (October 2016, November 2018), Unsourced passages need footnotes {{citation needed}} (October 2024, April 2025, May 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Arabian bustard | Low | Start | 1 | May 2019 | ... (May 2019) |
| Arkaroola | Low | Start | 2 | July 2017 | ... (July 2017), Unsourced passages need footnotes {{citation needed}} (August 2025) |
| Auguste Ménégaux | Low | Stub | 1 | October 2019 | ... (October 2019) |
| Australasian gannet | Low | FA | 1 | August 2024 | ... (August 2024) |
| Australian white ibis | Low | Start | 1 | September 2023 | ... (September 2023) |
| Bald and Golden Eagle Protection Act | Mid | Start | 1 | June 2019 | ... (June 2019) |
| Band-backed wren | Low | Start | 1 | July 2025 | ... (July 2025) |
| Barmah National Park | Low | Start | 1 | August 2025 | ... (August 2025) |
| Barnacle goose myth | Low | B | 2 | September 2023 | Page number citations needed (September 2023), ... (August 2025) |
| Barrington Tops National Park | Low | Start | 2 | October 2016 | ... (October 2016), Page number citations needed (August 2021) |
| Battery cage | Mid | C | 7 | September 2009 | Expansion needed (September 2009), ... (October 2019, June 2024), Unsourced passages need footnotes {{citation needed}} (January 2023, March 2024, January 2026), Update needed (March 2023) |
| Beak | High | B | 5 | September 2021 | CS1 errors: missing periodical, Incomplete citations (September 2021), Accuracy disputes or self-published (May 2023), ... (October 2023), CS1 errors: ISBN date |
| Bear Island (Svalbard) | Low | C | 3 | September 2010 | ... (September 2010), Unsourced passages need footnotes {{citation needed}} (February 2011), Failed verification (February 2011) |
| Beauchene Island | Low | Start | 3 | July 2010 | Unsourced passages need footnotes {{citation needed}} (July 2010), Clarification needed (May 2015), ... (August 2021) |
| Berkner Island | Low | Start | 1 | June 2021 | ... (June 2021) |
| Bird Alliance of Oregon | Low | Start | 1 | October 2016 | ... (October 2016) |
| Bird flight | Top | C | 3 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009), ... (February 2019), Unsourced passages need footnotes {{More citations needed}} (April 2020) |
| Bird hide | Low | Stub | 1 | July 2020 | ... (July 2020) |
| Bird strike | Mid | B | 4 | November 2010 | Unsourced passages need footnotes {{citation needed}} (November 2010), ... (September 2017, July 2020), Limited geographic scope (June 2025) |
| Bird trapping | Low | Start | 4 | January 2014 | Cleanup needed (January 2014), ... (September 2024), Clarification needed (September 2025), Weasel-worded phrases (September 2025) |
| Bird vocalization | Top | B | 5 | September 2011 | Expansion needed (September 2011), Unsourced passages need footnotes {{citation needed}} (February 2022), Vague or ambiguous time (August 2022), ... (October 2023), CS1 errors: ISBN date |
| BirdLife Sverige | Low | Stub | 1 | July 2020 | ... (July 2020) |
| Birding in New York City | Low | B | 1 | August 2025 | ... (August 2025) |
| Birds In Britain | Low | Start | 1 | September 2025 | ... (September 2025) |
| Birds of the Amazon | Mid | C | 1 | July 2020 | ... (July 2020) |
| Black Birders Week | Low | Start | 1 | March 2023 | ... (March 2023) |
| Black stork | Low | FA | 2 | August 2024 | ... (August 2024), CS1 errors: ISBN date |
| Black-backed dwarf kingfisher | Low | C | 1 | May 2021 | ... (May 2021) |
| Black-capped chickadee | Low | GA | 1 | January 2025 | ... (January 2025) |
| Black-winged stilt | Low | Start | 1 | December 2023 | ... (December 2023) |
| Blakeney Point | Mid | FA | 1 | May 2024 | ... (May 2024) |
| Boatswain Bay Migratory Bird Sanctuary | Low | Stub | 1 | June 2023 | ... (June 2023) |
| Bob Scott (ornithologist) | Low | Start | 1 | September 2024 | ... (September 2024) |
| Bonin wood pigeon | Low | Start | 1 | February 2022 | ... (February 2022) |
| Booby Island (Western Australia) | Low | Stub | 1 | February 2019 | ... (February 2019) |
| Bouvet Island | Low | B | 2 | September 2024 | ... (September 2024), Incomplete citations (January 2026) |
| Brahminy kite | Mid | B | 1 | June 2021 | ... (June 2021) |
| Brant (goose) | Low | Start | 2 | September 2010 | Footnotes need specific page numbers (September 2010), ... (November 2016) |
| Branta thessaliensis | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Brazilian merganser | Low | Start | 3 | January 2009 | Has general references but lacks inline footnotes (January 2009), Unsourced passages need footnotes {{citation needed}} (June 2009), ... (November 2016) |
| British Birds Rarities Committee | Low | GA | 1 | February 2019 | ... (February 2019) |
| Brown-throated wren | Low | Start | 1 | February 2022 | ... (February 2022) |
| Bruton Dovecote | Low | GA | 1 | August 2024 | ... (August 2024) |
| Budgerigar | Mid | C | 2 | September 2021 | Unsourced passages need footnotes {{citation needed}} (September 2021), ... (October 2023) |
| Buffy pipit | Low | Start | 1 | October 2023 | ... (October 2023) |
| Bulwer's petrel | Low | Start | 2 | December 2016 | Unsourced passages need footnotes {{citation needed}} (December 2016), ... (March 2020) |
| California gull | Low | Start | 2 | October 2023 | ... (October 2023), Unsourced passages need footnotes {{citation needed}} (April 2024) |
| Campbell albatross | Low | Start | 1 | May 2025 | ... (May 2025) |
| Cantabrian capercaillie | Low | Start | 3 | November 2011 | Unsourced passages need footnotes {{citation needed}} (November 2011), ... (November 2016, November 2018) |
| Cardinal quelea | Low | Start | 1 | November 2023 | ... (November 2023) |
| Carola's parotia | Low | Stub | 1 | June 2021 | ... (June 2021) |
| Caruncle (bird anatomy) | Mid | Start | 1 | November 2016 | ... (November 2016) |
| Casuariidae | High | Start | 1 | November 2023 | ... (November 2023) |
| Central Asian Flyway | Mid | Start | 3 | June 2019 | ... (June 2019), Cleanup needed (March 2025, March 2025) |
| Chaco nothura | Low | Stub | 2 | March 2022 | CS1 errors: archive-url, ... (March 2022) |
| Chari-Dhand Wetland Conservation Reserve | Low | Start | 2 | January 2011 | Expansion needed (January 2011), ... (November 2016) |
| Chat flycatcher | Low | Start | 1 | November 2023 | ... (November 2023) |
| Chatham Islands shag | Low | C | 1 | May 2021 | ... (May 2021) |
| Chicken eyeglasses | Low | C | 3 | November 2019 | ... (November 2019, November 2020, November 2023) |
| Chicken harvester | Low | Start | 1 | November 2019 | ... (November 2019) |
| Chilean tinamou | Low | Start | 1 | December 2023 | ... (December 2023) |
| Chimney swift | Low | B | 3 | August 2018 | Unsourced passages need footnotes {{citation needed}} (August 2018), ... (December 2023), CS1 errors: ISBN date |
| Chough | Mid | GA | 3 | August 2017 | ... (August 2017, July 2020), CS1 errors: ISBN date |
| Chris Perrins (BLP) | Low | Stub | 4 | July 2016 | Potentially dated statements (2016), Unsourced passages need footnotes {{citation needed}} (July 2016, February 2018), ... (June 2025) |
| Chuuk monarch | Mid | Stub | 1 | March 2022 | ... (March 2022) |
| Cloud-forest pygmy owl | Low | B | 1 | December 2023 | ... (December 2023) |
| Coal tit | Mid | C | 3 | May 2009 | Factual verification needed (May 2009, September 2009), ... (September 2018) |
| Cobalt-rumped parrotlet | Low | Start | 1 | November 2025 | ... (November 2025) |
| Cockfighting | Mid | C | 7 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020, January 2022, May 2024), Potentially dated statements (2023), Unsourced passages need footnotes {{More citations needed}} (May 2024), ... (November 2024, June 2025) |
| Coffin Bay National Park | Low | Start | 2 | February 2014 | Unsourced passages need footnotes {{More citations needed}} (February 2014), ... (December 2017) |
| Col de Bretolet | Low | Stub | 1 | July 2019 | ... (July 2019) |
| Colombian tinamou | Low | Start | 1 | August 2022 | ... (August 2022) |
| Common myna | Low | B | 3 | January 2022 | Page number citations needed (January 2022), Expansion needed (January 2022), ... (December 2023) |
| Common ostrich | Top | B | 4 | November 2013 | Page number citations needed (November 2013), ... (December 2023), CS1 errors: ISBN date, Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Common poorwill | Low | Start | 1 | December 2023 | ... (December 2023) |
| Common reed warbler | Low | Start | 1 | January 2022 | ... (January 2022) |
| Common rosefinch | Low | Start | 2 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016), ... (March 2020) |
| Comoro thrush | Low | Start | 1 | December 2023 | ... (December 2023) |
| Cookie (cockatoo) | Low | Start | 1 | August 2017 | ... (August 2017) |
| Coppery-tailed coucal | Low | Start | 1 | December 2023 | ... (December 2023) |
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: ISBN date, ... (June 2025) |
| Cream-breasted fruit dove | Low | Start | 1 | December 2023 | ... (December 2023) |
| Crested caracara | Low | Start | 3 | August 2014 | ... (August 2014), Unsourced passages need footnotes {{citation needed}} (April 2020, January 2026) |
| Crested tit | Low | Start | 2 | September 2017 | ... (September 2017, February 2019) |
| Crowned eagle | Low | C | 1 | March 2022 | ... (March 2022) |
| Cuban amazon | Mid | C | 1 | December 2023 | ... (December 2023) |
| Cuban blackbird | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Curve-billed tinamou | Low | Start | 1 | October 2022 | ... (October 2022) |
| Danish hen | Low | C | 1 | October 2022 | ... (October 2022) |
| Dark batis | Low | Start | 1 | October 2022 | ... (October 2022) |
| Dark-fronted babbler | Mid | Start | 1 | January 2024 | ... (January 2024) |
| Darter | Low | B | 2 | September 2009 | Factual verification needed (September 2009), ... (July 2019) |
| David Allen Sibley (BLP) | Low | Stub | 2 | March 2008 | BLP articles lacking sources (March 2008), ... (November 2019) |
| David Peakall | Low | Start | 1 | April 2025 | ... (April 2025) |
| Delft National Park | Low | Start | 1 | December 2016 | ... (December 2016) |
| Dent Island (New Zealand) | Low | Start | 1 | December 2016 | ... (December 2016) |
| Des Murs's wiretail | Low | Start | 1 | January 2024 | ... (January 2024) |
| Devon Birds | Low | Start | 1 | August 2021 | ... (August 2021) |
| Dhodial Pheasantry | Low | Start | 1 | July 2019 | ... (July 2019) |
| Dick Forsman (BLP) | Low | Stub | 1 | March 2022 | ... (March 2022) |
| Dickin Medal | Low | FL | 2 | January 2023 | Potentially dated statements (January 2023), ... (September 2025) |
| Dioscoro S. Rabor | Low | Stub | 1 | February 2024 | ... (February 2024) |
| Djibouti spurfowl | Low | GA | 1 | September 2010 | ... (September 2010) |
| Domestic pigeon | Low | C | 7 | July 2019 | Accuracy disputes or self-published (July 2019, April 2023), ... (September 2024), Unsourced passages need footnotes {{citation needed}} (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025), Clarification needed (January 2026), Weasel-worded phrases (January 2026) |
| Domestic turkey | Low | C | 8 | September 2008 | Unsourced passages need footnotes {{citation needed}} (September 2008, April 2011, November 2011, November 2015, January 2021, August 2025), ... (December 2016), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Dovecot at Blackford Farm | Low | GA | 1 | February 2024 | ... (February 2024) |
| Downy woodpecker | Low | Start | 1 | July 2019 | ... (July 2019) |
| Driven grouse shooting | Low | C | 3 | June 2015 | ... (June 2015, December 2019), Unsourced passages need footnotes {{citation needed}} (August 2025) |
| Eared quetzal | Low | Start | 1 | July 2025 | ... (July 2025) |
| East Brazilian pygmy owl | Low | Start | 1 | February 2024 | ... (February 2024) |
| Eastern moa | Low | Start | 2 | September 2017 | ... (September 2017), Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Eastern osprey | Low | C | 6 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, October 2023), ... (October 2023), Potentially dated statements (2024, July 2024), Clarification needed (August 2025) |
| Eastern rosella | Mid | Start | 1 | July 2025 | ... (July 2025) |
| Eastern subalpine warbler | Low | Start | 1 | February 2024 | ... (February 2024) |
| Edward Lear | Low | C | 1 | October 2025 | ... (October 2025) |
| Emperor penguin | High | FA | 3 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025), CS1 errors: ISBN date, ... (December 2025) |
| Eudromia | Mid | Stub | 1 | March 2024 | ... (March 2024) |
| Eurasian eagle-owl | Mid | GA | 1 | January 2026 | ... (January 2026) |
| Eurasian hobby | Mid | Start | 1 | August 2025 | ... (August 2025) |
| Eurasian sparrowhawk | Low | GA | 3 | June 2010 | ... (June 2010, March 2024), CS1 errors: ISBN date |
| European turtle dove | Low | Start | 1 | June 2025 | ... (June 2025) |
| Fancy pigeon | Low | Start | 1 | December 2019 | ... (December 2019) |
| Fantail pigeon | Low | Stub | 3 | July 2015 | Unsourced passages need footnotes {{citation needed}} (July 2015), ... (December 2019), Link rot cleanup (August 2025) |
| Faure Island | Low | C | 1 | August 2019 | ... (August 2019) |
| Fawn-coloured lark | Low | Stub | 1 | March 2022 | ... (March 2022) |
| Feral parrot | Low | Start | 3 | December 2014 | Introduction cleanup (December 2014), Unsourced passages need footnotes {{More citations needed}} (March 2020), ... (May 2025) |
| Ferdinand Stoliczka | Low | B | 1 | November 2013 | ... (November 2013) |
| Ferruginous hawk | Low | C | 1 | August 2025 | ... (August 2025) |
| Field Ornithology Group of Sri Lanka | Low | Start | 1 | August 2025 | ... (August 2025) |
| Flappet lark | Low | Stub | 1 | February 2022 | ... (February 2022) |
| Forced molting | Low | Start | 3 | January 2015 | Clarification needed (January 2015), Unsourced passages need footnotes {{citation needed}} (July 2016), ... (December 2019) |
| Forest & Bird | Low | Start | 1 | December 2025 | ... (December 2025) |
| Fourmile Island Rookery State Natural Area | Low | Start | 1 | December 2019 | ... (December 2019) |
| Fundación de Conservación Jocotoco | Low | Start | 1 | December 2019 | ... (December 2019) |
| Glossary of bird terms | Top | FL | 2 | May 2024 | ... (May 2024), CS1 errors: ISBN date |
| Golden Gate Bird Alliance | Mid | B | 1 | January 2026 | ... (January 2026) |
| Golden-collared macaw | Mid | C | 1 | January 2026 | ... (January 2026) |
| Gould's jewelfront | Low | C | 1 | March 2022 | ... (March 2022) |
| Great horned owl | Mid | B | 2 | June 2024 | ... (June 2024), CS1 errors: ISBN date |
| Great white pelican | Low | C | 1 | June 2024 | ... (June 2024) |
| Great-tailed grackle | Low | Start | 3 | May 2013 | Unsourced passages need footnotes {{citation needed}} (May 2013, November 2016), ... (January 2020) |
| Greater sage-grouse | Low | B | 2 | August 2018 | ... (August 2018, January 2025) |
| Greater white-fronted goose | Low | C | 2 | July 2011 | Unsourced passages need footnotes {{citation needed}} (July 2011), ... (January 2020) |
| Green-rumped parrotlet | Low | Start | 1 | November 2025 | ... (November 2025) |
| Greene Smith | Mid | Start | 1 | November 2023 | ... (November 2023) |
| Grey falcon | Mid | C | 3 | October 2017 | ... (October 2017, September 2018), CS1 errors: periodical ignored |
| Grey-headed albatross | Low | C | 2 | March 2009 | Unsourced passages need footnotes {{citation needed}} (March 2009), ... (March 2017) |
| Ground cuckooshrike | Low | Start | 1 | June 2024 | ... (June 2024) |
| Grå og Gråbrogede Danske Gås | Low | Start | 1 | November 2019 | ... (November 2019) |
| Guam rail | Low | Start | 4 | October 2010 | ... (October 2010), Unsourced passages need footnotes {{citation needed}} (September 2024, May 2025), Update needed (December 2024) |
| Gustav (pigeon) | Low | Start | 1 | September 2024 | ... (September 2024) |
| Gymnogyps varonai | Low | Start | 1 | April 2023 | ... (April 2023) |
| Géologie Archipelago | Low | Start | 1 | January 2020 | ... (January 2020) |
| H.R. 3109 (113th Congress) | Low | Start | 1 | July 2025 | ... (July 2025) |
| Hamerkop | High | B | 1 | July 2024 | ... (July 2024) |
| Hans Freiherr Geyr von Schweppenburg | Low | Stub | 1 | February 2019 | ... (February 2019) |
| Harold Douglas Pratt Jr. (BLP) | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Hatchling | Low | C | 1 | July 2025 | ... (July 2025) |
| HawkQuest | Low | Start | 1 | February 2025 | ... (February 2025) |
| Heavy-footed moa | Low | Start | 1 | September 2025 | ... (September 2025) |
| Henry Eeles Dresser | Low | Start | 1 | November 2025 | ... (November 2025) |
| High Andean Flamingos Memorandum of Understanding | Low | Start | 1 | January 2026 | ... (January 2026) |
| Highland tinamou | Low | Stub | 1 | January 2026 | ... (January 2026) |
| Histomonas | Low | Start | 1 | August 2024 | ... (August 2024) |
| Homing pigeon | Low | C | 4 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016, March 2023), Clarification needed (January 2016), ... (August 2020) |
| Hook-billed kite | Low | Start | 1 | November 2016 | ... (November 2016) |
| Horned owl | Mid | Start | 2 | November 2008 | Factual verification needed (November 2008), ... (August 2024) |
| Huayco tinamou | Low | Stub | 2 | April 2017 | ... (April 2017, July 2022) |
| Human uses of birds | High | GA | 2 | August 2024 | ... (August 2024), CS1 errors: ISBN date |
| Ichthyornis | Mid | B | 1 | January 2023 | ... (January 2023) |
| Ikkattuaq Migratory Bird Sanctuary | Low | Stub | 1 | June 2023 | ... (June 2023) |
| Il-Kullana to tal-Ġifen Cliffs Important Bird Area | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Incas (parakeet) | Low | Start | 1 | September 2024 | ... (September 2024) |
| Indian vulture | Low | C | 2 | November 2023 | Unsourced passages need footnotes {{citation needed}} (November 2023), ... (August 2025) |
| Indian yellow-nosed albatross | Low | C | 1 | January 2025 | ... (January 2025) |
| International Animal Rescue | Mid | C | 1 | October 2011 | ... (October 2011) |
| International Swift Conference | Low | Start | 1 | October 2025 | ... (October 2025) |
| Introduced mammals on seabird breeding islands | Mid | C | 1 | May 2024 | ... (May 2024) |
| Invasive species in Hawaii | Low | C | 4 | February 2013 | ... (February 2013, December 2016), Unsourced passages need footnotes {{More citations needed}} (December 2016), External link cleanup {{external links}} (August 2025) |
| Irene Pepperberg (BLP) | Low | C | 1 | November 2017 | ... (November 2017) |
| Island scrub jay | Low | C | 1 | October 2023 | ... (October 2023) |
| Ivory-billed woodpecker | High | B | 4 | 2007 | Potentially dated statements (2007), ... (November 2023), Factual verification needed (March 2025), Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Jacanidae | Mid | C | 1 | February 2023 | ... (February 2023) |
| Jackson's pipit | Low | Start | 1 | September 2024 | ... (September 2024) |
| Jacky winter | Low | C | 1 | July 2025 | ... (July 2025) |
| Jacobin cuckoo | Low | Start | 1 | July 2025 | ... (July 2025) |
| James's flamingo | Low | Start | 2 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010), ... (February 2019) |
| Java chicken | Low | B | 1 | November 2025 | ... (November 2025) |
| Javan white-eye | Low | Stub | 1 | March 2023 | ... (March 2023) |
| Jerdon's babbler | Low | C | 2 | September 2019 | Unsourced passages need footnotes {{citation needed}} (September 2019), ... (July 2022) |
| Jerusalem Bird Observatory | Low | Start | 1 | February 2020 | ... (February 2020) |
| Jizz (birding) | Low | Start | 1 | October 2025 | ... (October 2025) |
| Joel Cracraft (BLP) | Low | Stub | 2 | February 2020 | ... (February 2020, November 2023) |
| John Gooders | Low | Stub | 2 | October 2012 | Unsourced passages need footnotes {{More citations needed}} (October 2012), ... (September 2024) |
| John Guille Millais | Mid | B | 1 | September 2022 | ... (September 2022) |
| John Marzluff (BLP) | Low | Stub | 1 | June 2025 | ... (June 2025) |
| John du Pont | Low | C | 1 | January 2025 | ... (January 2025) |
| Kangaroo Island | Low | C | 8 | September 2012 | Unsourced passages need footnotes {{citation needed}} (September 2012, June 2014, June 2016, October 2025, December 2025), Page number citations needed (December 2020), ... (August 2025), Vague or ambiguous time (October 2025) |
| Karen L. Wiebe (BLP) | Low | Start | 1 | August 2025 | ... (August 2025) |
| Katherine Bell Tippetts | Low | C | 1 | August 2025 | ... (August 2025) |
| Kathy Martin (scientist) | Low | C | 2 | April 2025 | CS1 errors: generic name, ... (April 2025) |
| Kauaʻi finch | Low | Start | 3 | November 2007 | Unsourced passages need footnotes {{citation needed}} (November 2007), Unsourced passages need footnotes {{More citations needed}} (December 2020), ... (April 2023) |
| Kauaʻi ʻōʻō | High | C | 1 | December 2016 | ... (December 2016) |
| Kaudulla National Park | Low | Start | 1 | November 2018 | ... (November 2018) |
| Kea | Low | B | 1 | May 2017 | ... (May 2017) |
| Kendall Island Migratory Bird Sanctuary | Low | C | 1 | May 2017 | ... (May 2017) |
| Kenn Kaufman (BLP) | Low | Start | 1 | January 2018 | ... (January 2018) |
| Kerguelen shag | Low | Start | 1 | May 2023 | ... (May 2023) |
| Kermadec Islands | Low | Start | 2 | December 2008 | Unsourced passages need footnotes {{More citations needed}} (December 2008), ... (May 2023) |
| Kern River Preserve | Low | B | 1 | December 2025 | ... (December 2025) |
| Key Habitat Site | Low | Stub | 2 | March 2017 | Unsourced passages need footnotes {{More citations needed}} (March 2017), ... (May 2017) |
| Khijadiya Bird Sanctuary | Low | C | 1 | June 2025 | ... (June 2025) |
| Khosrov Forest State Reserve | Low | C | 2 | August 2018 | Unsourced passages need footnotes {{citation needed}} (August 2018), ... (January 2026) |
| King vulture | Low | FA | 2 | October 2023 | ... (October 2023), CS1 errors: ISBN date |
| Kirtland's warbler | Low | B | 6 | February 2016 | Unsourced passages need footnotes {{citation needed}} (February 2016, November 2019, March 2020, July 2024), ... (December 2017, May 2023) |
| Kranich Museum | Low | Start | 3 | August 2012 | Unsourced passages need footnotes {{citation needed}} (August 2012), ... (February 2020), Cites unreliable sources (August 2022) |
| Kutch Bustard Sanctuary | Low | Start | 1 | October 2010 | ... (October 2010) |
| Kuugaarjuk Migratory Bird Sanctuary | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Kākāriki | Mid | Start | 2 | December 2017 | ... (December 2017), Page number citations needed (February 2025) |
| Lake Beeac | Low | Start | 1 | July 2025 | ... (July 2025) |
| Lake Galilee (Queensland) | Low | C | 4 | November 2012 | Unsourced passages need footnotes {{citation needed}} (November 2012), Weasel-worded phrases (October 2014), ... (December 2017, July 2025) |
| Larsen trap | Low | Start | 2 | January 2019 | Orphaned (January 2019), ... (February 2020) |
| Laysan albatross | Low | B | 5 | March 2011 | Unsourced passages need footnotes {{citation needed}} (March 2011, December 2022), Potentially dated statements (2021), ... (November 2024), CS1 errors: ISBN date |
| Laysan rail | Low | C | 1 | December 2017 | ... (December 2017) |
| LeConte's sparrow | Low | Start | 2 | January 2023 | Unsourced passages need footnotes {{citation needed}} (January 2023), ... (August 2025) |
| Leon Jacob Cole | Low | C | 1 | August 2025 | ... (August 2025) |
| Leonard Cutler Sanford | Low | Start | 1 | August 2025 | ... (August 2025) |
| Lesser koa finch | Low | Start | 2 | June 2011 | Unsourced passages need footnotes {{citation needed}} (June 2011), ... (January 2024) |
| Lesser prairie-chicken | Mid | Start | 3 | July 2021 | ... (July 2021), Unsourced passages need footnotes {{citation needed}} (December 2021, August 2023) |
| Lesser scaup | Low | C | 2 | January 2016 | Unsourced passages need footnotes {{citation needed}} (January 2016), ... (August 2025) |
| Lesser yellow-headed vulture | Low | GA | 1 | August 2024 | ... (August 2024) |
| Light-mantled albatross | Low | B | 1 | November 2024 | ... (November 2024) |
| List of birds of India | Low | List | 2 | August 2021 | Unsourced passages need footnotes {{citation needed}} (August 2021), ... (June 2022) |
| List of birds of Karnataka | Low | List | 2 | February 2022 | Unsourced passages need footnotes {{citation needed}} (February 2022), ... (December 2023) |
| List of birds of Korea | Low | List | 1 | December 2017 | ... (December 2017) |
| List of birds of Leicestershire and Rutland | Low | FL | 1 | February 2019 | ... (February 2019) |
| List of birds of Seychelles | Low | List | 2 | March 2020 | ... (March 2020), Has general references but lacks inline footnotes (May 2021) |
| List of birds of Wales | Low | List | 1 | December 2017 | ... (December 2017) |
| List of duck breeds | High | List | 2 | May 2018 | Unsourced passages need footnotes {{citation needed}} (May 2018), ... (November 2023) |
| List of extinct bird species since 1500 | High | List | 3 | January 2018 | ... (January 2018), CS1 errors: missing title, Has general references but lacks inline footnotes (January 2022) |
| List of largest birds | Low | List | 5 | May 2016 | Unsourced passages need footnotes {{citation needed}} (May 2016, February 2023, December 2025), ... (January 2018, March 2025) |
| List of parrots | Mid | FL | 1 | February 2019 | ... (February 2019) |
| Ludlow Griscom Award | Mid | C | 1 | March 2020 | ... (March 2020) |
| Madhu Road National Park | Low | Start | 1 | May 2017 | ... (May 2017) |
| Magdalena tinamou | Low | Start | 1 | July 2025 | ... (July 2025) |
| Mallard | Low | GA | 3 | December 2017 | Accuracy disputes or self-published (December 2017), ... (August 2024), CS1 errors: ISBN date |
| Mammals and birds excluder device | Low | Stub | 1 | January 2018 | ... (January 2018) |
| Manx shearwater | Low | Start | 1 | August 2025 | ... (August 2025) |
| March of the Penguins | Mid | B | 1 | August 2017 | ... (August 2017) |
| Mariana fruit dove | Low | Start | 1 | June 2017 | ... (June 2017) |
| Maroon oriole | Low | Stub | 1 | January 2018 | ... (January 2018) |
| Maroon-fronted parrot | Mid | Start | 1 | November 2025 | ... (November 2025) |
| Martin Garner (ornithologist) | Low | Stub | 2 | August 2008 | Unsourced passages need footnotes {{citation needed}} (August 2008), ... (January 2018) |
| Masked crimson tanager | Low | Start | 2 | June 2011 | Unsourced passages need footnotes {{citation needed}} (June 2011), ... (March 2020) |
| Mateusz Cyganski | Low | Start | 1 | January 2026 | ... (January 2026) |
| Maui Nui large-billed moa-nalo | Low | Stub | 1 | January 2024 | ... (January 2024) |
| McIlwraith Range | Low | Stub | 1 | January 2018 | ... (January 2018) |
| Mercury Island | Low | Start | 1 | January 2018 | ... (January 2018) |
| Merlin (bird) | Low | C | 2 | October 2009 | Unsourced passages need footnotes {{citation needed}} (October 2009), ... (March 2025) |
| Mesitornis | Mid | Start | 1 | February 2019 | ... (February 2019) |
| Mexican duck | Low | Start | 1 | March 2019 | ... (March 2019) |
| Mobbing (animal behavior) | Mid | B | 1 | July 2025 | ... (July 2025) |
| Morelet's seedeater | Low | Start | 1 | March 2020 | ... (March 2020) |
| Moreton Bay | Low | B | 3 | October 2023 | Articles using infobox body of water without alt bathymetry, Accuracy disputes or self-published (October 2023), ... (April 2024) |
| Mornington Sanctuary | Low | Start | 1 | February 2018 | ... (February 2018) |
| Mr Percival | Low | Stub | 1 | April 2024 | ... (April 2024) |
| Mute swan | Low | C | 3 | December 2012 | Unsourced passages need footnotes {{citation needed}} (December 2012, October 2016), ... (February 2018) |
| Mystic Lake (California) | Low | Start | 1 | June 2025 | ... (June 2025) |
| N'kisi | Low | Start | 2 | December 2016 | ... (December 2016), Cites unreliable sources (February 2020) |
| Najafgarh drain bird sanctuary | Low | C | 3 | February 2023 | ... (February 2023, January 2025, February 2026) |
| National Wild Turkey Federation | Low | C | 2 | August 2023 | Promotional tone (August 2023), ... (August 2025) |
| Nature reserves in the North Norfolk Coast Site of Special Scientific Interest | Low | FL | 1 | September 2017 | ... (September 2017) |
| Nauru reed warbler | Low | FA | 1 | August 2024 | ... (August 2024) |
| Negros bleeding-heart pigeon | Mid | Stub | 1 | August 2025 | ... (August 2025) |
| Neochen pugil | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Nest box | Low | C | 2 | June 2023 | Cites unreliable sources (June 2023), ... (August 2025) |
| New Island | Low | Start | 1 | December 2017 | ... (December 2017) |
| New World warbler | High | Start | 1 | April 2020 | ... (April 2020) |
| Nicholas Barry Davies (BLP) | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Nicobar bulbul | Low | Start | 1 | February 2018 | ... (February 2018) |
| Nikolaas Tinbergen | Mid | C | 3 | April 2014 | Page number citations needed (April 2014), Unsourced passages need footnotes {{citation needed}} (November 2015), ... (May 2025) |
| Nilgiri blue robin | Low | C | 2 | January 2019 | ... (January 2019), CS1 errors: ISBN date |
| Norfolk Island | Low | B | 11 | 2004 | Potentially dated statements (2004, 2010, 2014), Unsourced passages need footnotes {{citation needed}} (June 2016, September 2018, April 2024, April 2025, October 2025), ... (February 2018), Unsourced passages need footnotes {{More citations needed}} (December 2021), Original research (February 2023) |
| North Norfolk Coast Site of Special Scientific Interest | Mid | FA | 1 | September 2016 | ... (September 2016) |
| North Pacific albatross | Mid | Start | 1 | November 2024 | ... (November 2024) |
| North Warren RSPB reserve | Low | Start | 3 | October 2010 | ... (October 2010, January 2020), Expansion needed (January 2011) |
| Northern bobwhite | Low | Start | 1 | April 2020 | ... (April 2020) |
| Odontopteryx | Low | C | 5 | August 2009 | Has general references but lacks inline footnotes (August 2009), Factual verification needed (August 2009, September 2009), ... (March 2018, May 2019) |
| Old World sparrow | High | C | 3 | May 2012 | Clarification needed (May 2012), ... (May 2018), Unsourced passages need footnotes {{citation needed}} (July 2021) |
| Old World warbler | High | Start | 1 | May 2017 | ... (May 2017) |
| Olivier Messiaen | Low | FA | 1 | September 2022 | ... (September 2022) |
| Opal-crowned tanager | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Opuha Dam | Low | Stub | 2 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025), ... (August 2025) |
| Origin of avian flight | Mid | Start | 1 | July 2022 | ... (July 2022) |
| Ornithophily | Mid | B | 1 | August 2025 | ... (August 2025) |
| Osmoregulation in rock doves | Low | C | 2 | June 2025 | Copy edit needed (June 2025), ... (September 2025) |
| Ostrich leather | Low | C | 6 | November 2012 | Clarification needed (November 2012, July 2024), ... (January 2019), Vague or ambiguous time (September 2022), Promotional tone (September 2022), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Ovenbird (family) | High | C | 1 | March 2020 | ... (March 2020) |
| Owl hole | Low | Start | 1 | January 2026 | ... (January 2026) |
| Oʻahu moa-nalo | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Oʻahu petrel | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Pallid cuckoo | Low | Start | 2 | July 2017 | Unsourced passages need footnotes {{citation needed}} (July 2017), ... (February 2018) |
| Pan-African Ornithological Congress | Low | Start | 2 | February 2014 | Unsourced passages need footnotes {{More citations needed}} (February 2014), ... (July 2025) |
| Parrots of New Zealand | Low | Start | 1 | August 2025 | ... (August 2025) |
| Pelagornis | Low | C | 2 | March 2018 | ... (March 2018, January 2026) |
| Pelagornithidae | Mid | B | 3 | September 2009 | Factual verification needed (September 2009), ... (January 2018, April 2019) |
| Philip Hollom | Low | Stub | 2 | August 2008 | Incomplete lists (August 2008), ... (May 2020) |
| Phoebetria | Mid | C | 2 | April 2009 | Has general references but lacks inline footnotes (April 2009), ... (November 2024) |
| Pigeon keeping | Low | C | 1 | March 2025 | ... (March 2025) |
| Pin-tailed parrotfinch | Low | Stub | 1 | March 2018 | ... (March 2018) |
| Pine grosbeak | Low | Start | 1 | March 2020 | ... (March 2020) |
| Piping plover | Low | C | 2 | November 2014 | ... (November 2014), Unsourced passages need footnotes {{citation needed}} (May 2022) |
| Plumage | High | B | 1 | October 2023 | ... (October 2023) |
| Poltava (chicken) | Low | Start | 1 | May 2025 | ... (May 2025) |
| Primitive koa finch | Low | Start | 3 | November 2007 | Unsourced passages need footnotes {{citation needed}} (November 2007, November 2011), ... (January 2024) |
| Prince Edward Point Bird Observatory | Low | Start | 1 | May 2020 | ... (May 2020) |
| Protoavis | Low | B | 1 | February 2025 | ... (February 2025) |
| Pseudodontornis | Low | C | 2 | August 2009 | Factual verification needed (August 2009), ... (April 2019) |
| Purple needletail | Low | Stub | 2 | February 2022 | ... (February 2022), Unsourced passages need footnotes {{citation needed}} (July 2025) |
| Purple-backed fairywren | Low | Start | 2 | April 2018 | Unsourced passages need footnotes {{citation needed}} (April 2018), ... (May 2020) |
| Purple-throated cotinga | Mid | GA | 1 | August 2024 | ... (August 2024) |
| RSL chicken | Low | Start | 5 | November 2016 | Notability unclear (November 2016), Orphaned (November 2016), Context needed (November 2016), Unsourced passages need footnotes {{More citations needed}} (January 2017), ... (July 2025) |
| RSPB Medal | Low | List | 2 | May 2017 | Unsourced passages need footnotes {{citation needed}} (May 2017), ... (April 2018) |
| RSPB Minsmere | Low | FA | 1 | July 2025 | ... (July 2025) |
| Ramos National Park | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Raptor Education Group | Low | Start | 2 | April 2018 | ... (April 2018), Unsourced passages need footnotes {{citation needed}} (July 2025) |
| Recherche Archipelago | Low | B | 3 | January 2018 | ... (January 2018, April 2018), Introduction cleanup (January 2021) |
| Red-billed quelea | High | FA | 2 | August 2025 | CS1 errors: ISBN date, ... (August 2025) |
| Red-browed finch | Low | C | 1 | March 2024 | ... (March 2024) |
| Red-crowned amazon | Low | C | 1 | August 2025 | ... (August 2025) |
| Red-faced warbler | Low | Start | 2 | August 2025 | ... (August 2025), Has general references but lacks inline footnotes (August 2025) |
| Red-legged tinamou | Low | Start | 1 | August 2025 | ... (August 2025) |
| Red-shouldered hawk | Low | C | 2 | August 2025 | ... (August 2025), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Red-tailed amazon | Mid | Start | 4 | January 2009 | Has general references but lacks inline footnotes (January 2009), Unsourced passages need footnotes {{citation needed}} (January 2009), ... (February 2019, April 2019) |
| Red-vented bulbul | Low | B | 2 | February 2022 | Unsourced passages need footnotes {{citation needed}} (February 2022), ... (August 2025) |
| Redhead (bird) | Low | C | 1 | March 2020 | ... (March 2020) |
| Reedy Lake | Low | Start | 1 | August 2025 | ... (August 2025) |
| Regulus bulgaricus | Low | Start | 1 | April 2018 | ... (April 2018) |
| Reischek's parakeet | Low | Start | 1 | April 2018 | ... (April 2018) |
| Robert Swinhoe | Mid | Start | 2 | September 2018 | ... (September 2018), Factual verification needed (December 2025) |
| Roger Tory Peterson | High | C | 2 | June 2016 | ... (June 2016), Unsourced passages need footnotes {{citation needed}} (June 2024) |
| Rottnest Island | Low | C | 11 | November 2011 | Unsourced passages need footnotes {{citation needed}} (November 2011, February 2021, April 2022, January 2023, March 2025), Potentially dated statements (June 2016, 2019), CS1 errors: archive-url, ... (February 2021, October 2022), Page number citations needed (April 2025) |
| Roy and Silo | Low | Start | 1 | April 2018 | ... (April 2018) |
| Royal Palm turkey | Low | Start | 1 | October 2010 | ... (October 2010) |
| Royal tern | Low | C | 2 | December 2017 | ... (December 2017), CS1 errors: ISBN date |
| Ruffed grouse | Low | Start | 4 | December 2012 | Unsourced passages need footnotes {{citation needed}} (December 2012, January 2023, December 2023), ... (January 2025) |
| Rufous songlark | Low | C | 1 | February 2022 | ... (February 2022) |
| Rufous-breasted hermit | Low | Start | 2 | April 2009 | Has general references but lacks inline footnotes (April 2009), ... (November 2025) |
| Réunion grey white-eye | Low | Start | 3 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008), Unsourced passages need footnotes {{More citations needed}} (April 2010), ... (January 2025) |
| SS Makambo | Low | Start | 2 | April 2018 | Coordinates needed, ... (April 2018) |
| Sage thrasher | Mid | Start | 1 | July 2025 | ... (July 2025) |
| Salvin's albatross | Low | C | 2 | June 2024 | Unsourced passages need footnotes {{citation needed}} (June 2024), ... (November 2024) |
| Santa Marta tinamou | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Sapayoa | Low | Start | 1 | May 2018 | ... (May 2018) |
| Sardinian warbler | Low | Start | 1 | May 2023 | ... (May 2023) |
| Scarlet-backed flowerpecker | Low | Start | 1 | October 2025 | ... (October 2025) |
| Scarlet-chested parrot | Mid | C | 1 | May 2018 | ... (May 2018) |
| Scissor-billed koa finch | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Scops owl | Mid | B | 3 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020), Unsourced passages need footnotes {{More citations needed}} (March 2020), ... (November 2025) |
| Seabird breeding behavior | Mid | Start | 1 | September 2024 | ... (September 2024) |
| Secarecytosis | Low | Stub | 1 | February 2019 | ... (February 2019) |
| See-see partridge | Low | Start | 1 | May 2018 | ... (May 2018) |
| Seria | Low | Start | 2 | July 2022 | Unsourced passages need footnotes {{More citations needed}} (July 2022), ... (January 2026) |
| Seven Towers of Kharun | Low | Stub | 1 | May 2018 | ... (May 2018) |
| Seychelles paradise flycatcher | Low | Start | 1 | May 2018 | ... (May 2018) |
| Seychelles scops owl | Low | Start | 1 | May 2018 | ... (May 2018) |
| Sharpe's rail | Low | Stub | 1 | May 2018 | ... (May 2018) |
| Shoalwater Bay | Low | C | 1 | May 2018 | ... (May 2018) |
| Short-tailed albatross | Mid | C | 1 | November 2024 | ... (November 2024) |
| Sierra Madre sparrow | Mid | Start | 1 | May 2018 | ... (May 2018) |
| Silkie | Low | GA | 1 | July 2020 | ... (July 2020) |
| Slaty egret | Low | Start | 1 | February 2022 | ... (February 2022) |
| Small-billed moa-nalo | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Snow petrel | Mid | C | 2 | July 2009 | Unsourced passages need footnotes {{citation needed}} (July 2009), ... (May 2024) |
| Snowy owl | Mid | C | 5 | October 2017 | ... (October 2017, January 2026), Reference cleanup (July 2025), Unsourced passages need footnotes {{citation needed}} (January 2026), Failed verification (January 2026) |
| Songbird | High | C | 3 | December 2017 | Page number citations needed (December 2017), Weasel-worded phrases (July 2018), ... (March 2022) |
| Sooty albatross | Mid | C | 1 | November 2024 | ... (November 2024) |
| Sora (bird) | Low | B | 1 | March 2020 | ... (March 2020) |
| South Georgia diving petrel | Low | C | 1 | September 2025 | ... (September 2025) |
| Southern black tit | Low | Start | 1 | May 2018 | ... (May 2018) |
| Speckle-throated woodpecker | Low | Stub | 2 | October 2010 | ... (October 2010, January 2017) |
| Spectacled warbler | Low | Start | 1 | May 2018 | ... (May 2018) |
| Spizaetus | Mid | Stub | 2 | September 2008 | Factual verification needed (September 2008), ... (May 2018) |
| Squab | Mid | B | 9 | July 2011 | Page number citations needed (July 2011), Unsourced passages need footnotes {{citation needed}} (April 2016, December 2019, March 2021, September 2023), ... (July 2022, February 2023, August 2023), Weasel-worded phrases (October 2024) |
| Starlicide | Low | Start | 1 | June 2025 | ... (June 2025) |
| Stiffkey Fen | Low | Start | 2 | July 2017 | Unsourced passages need footnotes {{citation needed}} (July 2017), ... (June 2018) |
| Striped kingfisher | Low | C | 1 | June 2018 | ... (June 2018) |
| Swainson's thrush | Low | Start | 3 | December 2023 | Has general references but lacks inline footnotes (December 2023), Unsourced passages need footnotes {{citation needed}} (March 2025), ... (July 2025) |
| Swallow | High | B | 2 | June 2018 | ... (June 2018, January 2023) |
| Swan Lifeline | Low | Start | 1 | September 2025 | ... (September 2025) |
| Swan goose | Low | B | 1 | May 2025 | ... (May 2025) |
| Tamborine Mountain | Low | C | 2 | July 2021 | Unsourced passages need footnotes {{citation needed}} (July 2021), ... (February 2025) |
| Tasman Island | Low | Start | 1 | August 2025 | ... (August 2025) |
| Tataupa tinamou | Low | Start | 1 | August 2025 | ... (August 2025) |
| Tawny frogmouth | Mid | B | 1 | August 2025 | ... (August 2025) |
| Tawny pipit | Low | Start | 1 | August 2025 | ... (August 2025) |
| Tawny-breasted tinamou | Low | Start | 1 | August 2025 | ... (August 2025) |
| Telmatornis | Low | Stub | 1 | August 2018 | ... (August 2018) |
| Teratornithidae | Mid | Start | 1 | June 2018 | ... (June 2018) |
| The Late Late Show owl | Low | Stub | 2 | June 2017 | ... (June 2017, January 2018) |
| Thrush nightingale | Low | C | 1 | October 2023 | ... (October 2023) |
| Tim Westoll | Low | Start | 1 | August 2021 | ... (August 2021) |
| Tiny hawk | Low | Start | 1 | November 2025 | ... (November 2025) |
| Tit (bird) | High | C | 2 | February 2018 | ... (February 2018, September 2023) |
| Titian Ramsay Peale I | Low | C | 1 | January 2023 | ... (January 2023) |
| Tiwi Islands | Low | B | 2 | November 2016 | ... (November 2016), Update needed (July 2019) |
| Trinidad euphonia | Low | GA | 1 | January 2025 | ... (January 2025) |
| Trumpeter swan | Low | Start | 1 | September 2025 | ... (September 2025) |
| Tryon Island | Low | C | 1 | October 2010 | ... (October 2010) |
| Tsitongambarika | Low | Start | 1 | March 2020 | ... (March 2020) |
| Turkeys voting for Christmas | Mid | Start | 1 | June 2013 | ... (June 2013) |
| Turtle-jawed moa-nalo | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Uncinate processes of ribs | Low | Stub | 1 | July 2018 | ... (July 2018) |
| Undulated tinamou | Low | Start | 2 | July 2025 | ... (July 2025, October 2025) |
| Urban chicken keeping | Mid | C | 2 | September 2024 | ... (September 2024, January 2026) |
| V formation | Low | Start | 1 | July 2025 | ... (July 2025) |
| Vanikoro | Low | Start | 2 | October 2020 | Clarification needed (October 2020), ... (September 2024) |
| Varied thrush | Mid | Start | 1 | July 2025 | ... (July 2025) |
| Verreaux's eagle-owl | Low | B | 1 | January 2026 | ... (January 2026) |
| Violaceous euphonia | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Violet cuckoo | Low | Stub | 3 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025), Unsourced passages need footnotes {{More citations needed}} (February 2025), ... (August 2025) |
| Violet turaco | Low | Start | 1 | January 2026 | ... (January 2026) |
| Violet-green swallow | Low | C | 1 | August 2025 | ... (August 2025) |
| Wahnes's parotia | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Wake Island rail | Low | Start | 2 | March 2019 | Has general references but lacks inline footnotes (March 2019), ... (July 2021) |
| Walden's hornbill | Low | Start | 1 | July 2025 | ... (July 2025) |
| Warby Range State Park | Low | Stub | 1 | March 2022 | ... (March 2022) |
| Water kingfisher | High | Start | 1 | August 2025 | ... (August 2025) |
| Wellnhoferia | Low | Start | 1 | July 2022 | ... (July 2022) |
| Welsh Ornithological Society | Low | Stub | 1 | August 2025 | ... (August 2025) |
| West Indian woodpecker | Low | Start | 1 | August 2025 | ... (August 2025) |
| Western grebe | Low | Start | 1 | August 2025 | ... (August 2025) |
| Western parotia | Low | Start | 1 | August 2025 | ... (August 2025) |
| Western subalpine warbler | Low | Start | 1 | August 2025 | ... (August 2025) |
| Western wood pewee | Low | Start | 1 | August 2014 | ... (August 2014) |
| Whenua Hou diving petrel | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Whiskered screech owl | Low | Start | 1 | January 2026 | ... (January 2026) |
| White-bellied robin-chat | Mid | Stub | 1 | February 2025 | ... (February 2025) |
| White-chested emerald | Low | Start | 1 | September 2025 | ... (September 2025) |
| White-crested laughingthrush | Low | C | 1 | September 2025 | ... (September 2025) |
| White-eared brown dove | Low | Stub | 1 | September 2025 | ... (September 2025) |
| White-faced heron | Low | C | 2 | May 2024 | ... (May 2024), Clarification needed (May 2024) |
| White-necked thrush | Low | Start | 1 | September 2025 | ... (September 2025) |
| White-rumped shama | Low | Start | 1 | September 2025 | ... (September 2025) |
| White-tailed eagle | Mid | B | 3 | September 2025 | Too long (September 2025), Reference cleanup (November 2025), ... (December 2025) |
| White-throated ground dove | Mid | Start | 1 | September 2025 | ... (September 2025) |
| White-throated laughingthrush | Low | Stub | 1 | September 2025 | ... (September 2025) |
| White-whiskered puffbird | Low | Start | 1 | September 2025 | ... (September 2025) |
| White-winged widowbird | Low | C | 1 | February 2024 | ... (February 2024) |
| Whooping crane | Mid | B | 2 | September 2025 | Potentially dated statements (2025), ... (September 2025) |
| Williamson's sapsucker | Low | Start | 1 | June 2025 | ... (June 2025) |
| Wings for My Flight | Low | GA | 1 | July 2021 | ... (July 2021) |
| Yap cicadabird | Low | Stub | 1 | July 2020 | ... (July 2020) |
| Yellow-bellied dacnis | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Yellow-chinned spinetail | Low | Start | 1 | January 2026 | ... (January 2026) |
| Yellow-faced parrotlet | Low | C | 1 | January 2026 | ... (January 2026) |
| Yellow-legged tinamou | Low | Start | 1 | July 2025 | ... (July 2025) |
| Yellow-plumed honeyeater | Low | Stub | 1 | January 2026 | ... (January 2026) |
| Yellow-winged tanager | Low | Start | 2 | February 2010 | Has general references but lacks inline footnotes (February 2010), ... (January 2026) |
| Zenaida dove | Low | Start | 2 | November 2010 | Has general references but lacks inline footnotes (November 2010), ... (August 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Bill Oddie (BLP) | Low | C | 1 | December 2022 | ... (December 2022) |
| BirdNote | Low | Start | 4 | December 2024 | ... (December 2024), Introduction cleanup (January 2025), Has general references but lacks inline footnotes (January 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Invasive species in Hawaii | Low | C | 4 | February 2013 | Dead external links {{dead link}} (February 2013, December 2016), Unsourced passages need footnotes {{More citations needed}} (December 2016), ... (August 2025) |
| List of ornithology journals | Low | List | 1 | January 2023 | ... (January 2023) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Comino | Low | C | 2 | 2023 | Potentially dated statements (2023), ... (August 2024) |
| Domestic canary | Low | C | 2 | March 2022 | Unsourced passages need footnotes {{citation needed}} (March 2022), ... (August 2025) |
| Fantail pigeon | Low | Stub | 3 | July 2015 | Unsourced passages need footnotes {{citation needed}} (July 2015), Dead external links {{dead link}} (December 2019), ... (August 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Maria Island | Low | C | 4 | April 2024 | Unsourced passages need footnotes {{More citations needed}} (April 2024, January 2026), Vague or ambiguous time (April 2024), ... (October 2025) |
| Mewstone | Low | Start | 1 | October 2025 | ... (October 2025) |
| Western Port | Low | C | 3 | January 2008 | Unsourced passages need footnotes {{More citations needed}} (January 2008), Articles using infobox body of water without alt bathymetry, ... (October 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Biddenham Dovecote | Low | Stub | 1 | March 2020 | ... (March 2020) |
| Blossom and Frankie | Low | Start | 1 | August 2024 | ... (August 2024) |
| Charles Broley | Low | C | 1 | October 2025 | ... (October 2025) |
| Dalat shrike-babbler | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Douglas Arthur James | Low | Stub | 2 | December 2023 | Failed verification (December 2023), ... (December 2023) |
| Eastern Dry Forest | Low | Stub | 1 | November 2019 | ... (November 2019) |
| Einari Merikallio | Low | Start | 1 | August 2023 | ... (August 2023) |
| Futagojima islets | Low | Stub | 1 | January 2022 | ... (January 2022) |
| Haikubox | Low | Stub | 1 | November 2023 | ... (November 2023) |
| Kattasay and Daganasay Reservoirs Important Bird Area | Low | Stub | 1 | May 2021 | ... (May 2021) |
| Lakes Muncoonie, Mumbleberry and Torquinie Important Bird Area | Low | Stub | 1 | February 2023 | ... (February 2023) |
| Larsen trap | Low | Start | 2 | January 2019 | ... (January 2019), Dead external links {{dead link}} (February 2020) |
| List of bird photography award winners | Low | List | 1 | June 2025 | ... (June 2025) |
| List of environmental sampling techniques | Low | List | 1 | June 2022 | ... (June 2022) |
| Loanda swift | Low | Stub | 1 | October 2022 | ... (October 2022) |
| Lorant de Bastyai | Low | Stub | 2 | January 2020 | Unsourced passages need footnotes {{More citations needed}} (January 2020), ... (January 2020) |
| Mallee whipbird | Low | C | 2 | November 2023 | Unsourced passages need footnotes {{citation needed}} (November 2023), ... (October 2025) |
| Myrtle the Parachick | Low | C | 1 | August 2024 | ... (August 2024) |
| Nest protection hypothesis | Low | C | 1 | December 2021 | ... (December 2021) |
| RAPTOR Inc. | Low | Start | 2 | December 2025 | Cites unreliable sources (December 2025), ... (December 2025) |
| RSL chicken | Low | Start | 5 | November 2016 | Notability unclear (November 2016), ... (November 2016), Context needed (November 2016), Unsourced passages need footnotes {{More citations needed}} (January 2017), Dead external links {{dead link}} (July 2025) |
| Red-suffusion rosy-faced lovebird mutation | Low | Stub | 1 | June 2024 | ... (June 2024) |
| Refugio Paz de las Aves | Low | Stub | 1 | September 2016 | ... (September 2016) |
| Rent The Chicken | Low | Stub | 1 | September 2023 | ... (September 2023) |
| Rumpless chickens | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Southern Ladan Hills | Low | Stub | 2 | July 2021 | Unsourced passages need footnotes {{More citations needed}} (July 2021), ... (October 2022) |
| Terrestrornithes | Low | Stub | 1 | March 2017 | ... (March 2017) |
| Táchira emerald | Low | Stub | 1 | July 2017 | ... (July 2017) |
| Wrinkle (duck) | Low | Start | 1 | July 2025 | ... (July 2025) |
| Yellow-hair chicken | Low | Stub | 1 | June 2024 | ... (June 2024) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Central Asian-Indian Flyway | Low | Redirect | 1 | ||
| Hanuman plover | NA | Redirect | 1 | ||
| Moho | NA | Disambig | 1 | ||
| Seria Coast | Low | Redirect | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Wildfowl & Wetlands Trust | Low | Start | 2 | September 2023 | Unsourced passages need footnotes {{citation needed}} (September 2023), ... (September 2023) |
| William Lay Thompson | Low | Start | 1 | December 2016 | ... (December 2016) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Demoiselle crane | Low | Start | 2 | February 2013 | Unsourced passages need footnotes {{citation needed}} (February 2013), ... (July 2013) |
| Fastest animals | Low | List | 6 | October 2017 | Cites unreliable sources (October 2017), Unsourced passages need footnotes {{citation needed}} (June 2018, September 2018), CS1 errors: missing periodical, ... (October 2021), CS1 errors: ISBN date |
| Great bustard | Mid | B | 3 | November 2017 | ... (November 2017), Unsourced passages need footnotes {{citation needed}} (January 2018, December 2023) |
| Great green macaw | Mid | C | 2 | August 2019 | ... (August 2019), Unsourced passages need footnotes {{citation needed}} (August 2019) |
| Ivory gull | Mid | Start | 1 | July 2012 | ... (July 2012) |
| Kagu | High | B | 2 | June 2022 | ... (June 2022), Page number citations needed (April 2023) |
| Palm cockatoo | Mid | C | 3 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010, April 2016), ... (January 2014) |
| Pheasant | Mid | Start | 2 | August 2020 | Unsourced passages need footnotes {{More citations needed}} (August 2020), ... (March 2023) |
| Polish chicken | Low | Start | 2 | July 2024 | Unsourced passages need footnotes {{citation needed}} (July 2024), ... (July 2024) |
| Rail (bird) | High | C | 1 | October 2021 | ... (October 2021) |
| Red lory | Low | Start | 1 | May 2021 | ... (May 2021) |
| Sea eagle | Low | Start | 3 | March 2025 | ... (March 2025), Unsourced passages need footnotes {{citation needed}} (August 2025), Style editing needed (August 2025) |
| Sun conure | Low | C | 1 | July 2023 | ... (July 2023) |
| Tony Silva (BLP) | Low | Start | 3 | December 2022 | Failed verification (December 2022), ... (December 2022), Vague or ambiguous geographic scope (December 2022) |
| White-eyed parakeet | Mid | Start | 2 | October 2010 | ... (October 2010), Unsourced passages need footnotes {{citation needed}} (April 2023) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 2007 in birding and ornithology | Low | List | 1 | September 2011 | ... (September 2011) |
| Bird strike | Mid | B | 4 | November 2010 | Unsourced passages need footnotes {{citation needed}} (November 2010), Dead external links {{dead link}} (September 2017, July 2020), ... (June 2025) |
| Birdlime | Low | Stub | 1 | October 2021 | ... (October 2021) |
| Bronze turkey | Low | Start | 1 | February 2009 | ... (February 2009) |
| Capon | Low | Start | 1 | April 2022 | ... (April 2022) |
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), ... (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| Decoy | Low | C | 2 | December 2010 | ... (December 2010), Unsourced passages need footnotes {{More citations needed}} (August 2022) |
| Feral pigeon | Low | C | 3 | June 2015 | ... (June 2015), Update needed (July 2019), CS1 errors: archive-url |
| Mews (falconry) | Low | Stub | 3 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024), ... (November 2024) |
| Mockingbird | Mid | Start | 1 | February 2026 | ... (February 2026) |
| Oology | Low | Start | 1 | June 2015 | ... (June 2015) |
| Organic egg production | Low | Start | 3 | February 2011 | ... (February 2011), Unsourced passages need footnotes {{More citations needed}} (March 2015), Unsourced passages need footnotes {{citation needed}} (February 2020) |
| Pastured poultry | Low | Start | 3 | April 2015 | Unsourced passages need footnotes {{More citations needed}} (April 2015), ... (January 2017), Unsourced passages need footnotes {{citation needed}} (October 2025) |
| Plume hunting | Low | C | 3 | April 2022 | Harv and Sfn no-target errors, ... (April 2022), Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Rare breed | Mid | C | 2 | March 2014 | Page number citations needed (March 2014), ... (August 2016) |
| Shot (pellet) | Low | C | 1 | November 2021 | ... (November 2021) |
| Water bird | Low | C | 2 | November 2022 | Expansion needed (November 2022), ... (November 2022) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Bird Island, Seychelles | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Saint Vincent amazon | Low | C | 1 | January 2022 | ... (January 2022) |
| Status and conservation of the golden eagle | Low | C | 1 | March 2020 | ... (March 2020) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Birdwatching | High | B | 1 | November 2023 | ... (November 2023) |
| Black-bellied whistling duck | Low | B | 1 | April 2021 | ... (April 2021) |
| Dusky grasswren | Low | C | 3 | December 2024 | ... (December 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024), Weasel-worded phrases (December 2024) |
| Falconry | High | B | 9 | September 2013 | Page number citations needed (September 2013), Unsourced passages need footnotes {{citation needed}} (April 2016, April 2024, September 2024, April 2025), Style editing needed (November 2022), Unsourced passages need footnotes {{More citations needed}} (November 2022), ... (April 2024), Clarification needed (April 2025) |
| Flocking | Mid | Start | 1 | March 2018 | ... (March 2018) |
| Guard goose | Mid | Start | 1 | May 2025 | ... (May 2025) |
| Hemixos | Mid | Stub | 2 | June 2011 | Unsourced passages need footnotes {{More citations needed}} (June 2011), ... (June 2011) |
| King Island (Tasmania) | Low | Start | 1 | August 2024 | ... (August 2024) |
| List of birds of Coimbatore | Low | List | 1 | December 2012 | ... (December 2012) |
| Macquarie Island | Low | B | 7 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024, April 2025, June 2025, July 2025, October 2025), ... (November 2024), Weasel-worded phrases (March 2025) |
| Magpie goose | Low | Start | 2 | June 2015 | ... (June 2015), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Norfolk Island | Low | B | 11 | 2004 | Potentially dated statements (2004, 2010, 2014), Unsourced passages need footnotes {{citation needed}} (June 2016, September 2018, April 2024, April 2025, October 2025), Dead external links {{dead link}} (February 2018), Unsourced passages need footnotes {{More citations needed}} (December 2021), ... (February 2023) |
| Piping shrike | Low | Start | 3 | April 2023 | ... (April 2023), Unsourced passages need footnotes {{citation needed}} (April 2023), CS1 errors: ISBN date |
| Turkey call | Low | List | 3 | October 2009 | Unsourced passages need footnotes {{citation needed}} (October 2009), ... (May 2018), Unsourced passages need footnotes {{More citations needed}} (May 2018) |
| Wing clipping | Mid | Start | 1 | June 2023 | ... (June 2023) |
| Yellow-bellied seedeater | Low | Stub | 1 | October 2025 | ... (October 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Audubon Society of Western Pennsylvania | Low | Start | 2 | September 2010 | ... (September 2010), Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| Bloedel Conservatory | Low | Start | 2 | May 2014 | ... (May 2014), Unsourced passages need footnotes {{citation needed}} (August 2025) |
| British Ornithologists' Union | Low | Start | 1 | July 2023 | ... (July 2023) |
| Delta Waterfowl Foundation | Low | Start | 1 | November 2021 | ... (November 2021) |
| International Down and Feather Testing Laboratory | Low | C | 5 | May 2011 | ... (May 2011), Accuracy disputes or self-published (June 2022), Unsourced passages need footnotes {{citation needed}} (March 2024, May 2024, June 2024) |
| International Ornithologists' Union | Mid | Stub | 1 | July 2023 | ... (July 2023) |
| National Wild Turkey Federation | Low | C | 2 | August 2023 | ... (August 2023), Dead external links {{dead link}} (August 2025) |
| Negros scops owl | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Orford, Tasmania | Low | C | 4 | October 2024 | Style editing needed (October 2024), ... (October 2024), Unsourced passages need footnotes {{More citations needed}} (October 2024), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Ostrich leather | Low | C | 6 | November 2012 | Clarification needed (November 2012, July 2024), Dead external links {{dead link}} (January 2019), Vague or ambiguous time (September 2022), ... (September 2022), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Pete Dunne (author) (BLP) | Low | Stub | 1 | June 2024 | ... (June 2024) |
| Sálim Ali Centre for Ornithology and Natural History | Low | C | 1 | July 2024 | ... (July 2024) |
| Wild Bird Society of Japan | Low | Start | 2 | March 2021 | ... (March 2021), Cites unreliable sources (March 2021) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Henslow's sparrow | Low | Start | 1 | March 2020 | ... (March 2020) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Adzebill | Mid | C | 4 | July 2025 | Expansion needed (July 2025), ... (July 2025), Unsourced passages need footnotes {{citation needed}} (July 2025), Clarification needed (July 2025) |
| Ant follower | Mid | Start | 2 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025), ... (June 2025) |
| Archosaur | Low | C | 7 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014, April 2017, December 2017, December 2020), Clarification needed (July 2019, January 2021), ... (July 2019) |
| Bird trapping | Low | Start | 4 | January 2014 | Cleanup needed (January 2014), Dead external links {{dead link}} (September 2024), Clarification needed (September 2025), ... (September 2025) |
| Black-legged kittiwake | Low | Start | 3 | May 2024 | Vague or ambiguous geographic scope (May 2024), ... (May 2024), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Blue-winged macaw | Mid | Start | 1 | November 2025 | ... (November 2025) |
| Bornean frogmouth | Low | Stub | 1 | September 2017 | ... (September 2017) |
| British finches | Low | Start | 2 | January 2018 | Unsourced passages need footnotes {{citation needed}} (January 2018), ... (September 2024) |
| Bulbul | High | C | 2 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020), ... (June 2020) |
| Casuariiformes | Mid | Start | 2 | August 2019 | ... (August 2019), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Cinereous vulture | Low | C | 1 | February 2025 | ... (February 2025) |
| Confuciusornis | Mid | B | 3 | December 2018 | Page number citations needed (December 2018), Unsourced passages need footnotes {{citation needed}} (March 2022), ... (March 2022) |
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, ... (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| Coscoroba swan | Mid | C | 2 | February 2026 | Clarification needed (February 2026), ... (February 2026) |
| Crested penguin | Mid | Start | 2 | December 2011 | ... (December 2011), Unsourced passages need footnotes {{citation needed}} (January 2024) |
| Cuban solitaire | Low | Start | 1 | January 2026 | ... (January 2026) |
| Dasornis | Low | C | 1 | October 2011 | ... (October 2011) |
| Deep Play: Notes on the Balinese Cockfight | Low | Start | 5 | June 2011 | Unsourced passages need footnotes {{More citations needed}} (June 2011), Cites unreliable sources (May 2024), ... (May 2024), Introduction cleanup (May 2024), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Domestic pigeon | Low | C | 7 | July 2019 | Accuracy disputes or self-published (July 2019, April 2023), Dead external links {{dead link}} (September 2024), Unsourced passages need footnotes {{citation needed}} (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025), Clarification needed (January 2026), ... (January 2026) |
| Dusky grasswren | Low | C | 3 | December 2024 | Original research (December 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024), ... (December 2024) |
| Eagle | High | C | 3 | July 2016 | Unsourced passages need footnotes {{More citations needed}} (July 2016), Unsourced passages need footnotes {{citation needed}} (June 2024), ... (June 2024) |
| English Grey budgerigar mutation | Low | C | 1 | August 2023 | ... (August 2023) |
| Falcated duck | Low | Start | 1 | January 2015 | ... (January 2015) |
| Feather | Top | B | 1 | April 2014 | ... (April 2014) |
| Great spotted kiwi | Low | C | 1 | December 2025 | ... (December 2025) |
| Grey-backed camaroptera | Low | Start | 2 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018), ... (December 2018) |
| K'gari | Low | B | 7 | 2015 | Potentially dated statements (2015), Unsourced passages need footnotes {{citation needed}} (May 2016, October 2021, June 2023, March 2024), ... (August 2023), Expansion needed (January 2024) |
| Kauaʻi palila | Low | Start | 1 | March 2011 | ... (March 2011) |
| Kite (bird) | Mid | List | 5 | November 2014 | ... (November 2014), Unsourced passages need footnotes {{More citations needed}} (November 2014), Unsourced passages need footnotes {{citation needed}} (September 2023, April 2024, January 2026) |
| Lake Galilee (Queensland) | Low | C | 4 | November 2012 | Unsourced passages need footnotes {{citation needed}} (November 2012), ... (October 2014), Dead external links {{dead link}} (December 2017, July 2025) |
| Lapwing | Mid | C | 1 | January 2023 | ... (January 2023) |
| Louis Pierre Vieillot | Mid | Start | 1 | September 2023 | ... (September 2023) |
| Macquarie Island | Low | B | 7 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024, April 2025, June 2025, July 2025, October 2025), Original research (November 2024), ... (March 2025) |
| Northern harrier | Mid | Start | 1 | December 2020 | ... (December 2020) |
| Old English Pheasant Fowl | Low | Stub | 1 | December 2016 | ... (December 2016) |
| Oscaravis | Low | Stub | 2 | November 2012 | ... (November 2012), Has general references but lacks inline footnotes (November 2022) |
| Paektu Mountain | Low | C | 8 | 2013 | Potentially dated statements (2013), Unsourced passages need footnotes {{citation needed}} (June 2015, September 2015, May 2016, August 2018, April 2023), ... (April 2023), Update needed (April 2023) |
| Peafowl | Mid | B | 6 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, May 2023, October 2023), Unsourced passages need footnotes {{More citations needed}} (May 2023), ... (May 2023), Page number citations needed (March 2024) |
| Punt gun | Low | Start | 1 | May 2012 | ... (May 2012) |
| Red-eyed vireo | Low | Start | 2 | June 2022 | ... (June 2022), Update needed (June 2022) |
| Richard Meinertzhagen | Low | C | 6 | April 2015 | Unsourced passages need footnotes {{citation needed}} (April 2015, July 2022, June 2024, September 2025), Rewrite needed (May 2018), ... (September 2025) |
| Royal Society for the Protection of Birds | Mid | C | 2 | August 2008 | Incomplete lists (August 2008), ... (October 2013) |
| Sarkidiornis | Mid | Stub | 2 | February 2021 | ... (February 2021), Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Scottish crossbill | Low | C | 4 | July 2024 | Clarification needed (July 2024), ... (July 2024), Unsourced passages need footnotes {{citation needed}} (July 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Shahbaz (bird) | Mid | Stub | 3 | May 2021 | Unsourced passages need footnotes {{More citations needed}} (May 2021), ... (April 2022), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Sibley–Monroe checklist | High | List | 2 | January 2010 | Unsourced passages need footnotes {{citation needed}} (January 2010), ... (January 2010) |
| Songbird | High | C | 3 | December 2017 | Page number citations needed (December 2017), ... (July 2018), Dead external links {{dead link}} (March 2022) |
| Squab | Mid | B | 9 | July 2011 | Page number citations needed (July 2011), Unsourced passages need footnotes {{citation needed}} (April 2016, December 2019, March 2021, September 2023), Dead external links {{dead link}} (July 2022, February 2023, August 2023), ... (October 2024) |
| Sunbird | High | C | 1 | July 2025 | ... (July 2025) |
| Sunda frogmouth | Low | C | 1 | October 2024 | ... (October 2024) |
| Taveta weaver | Low | Stub | 1 | August 2021 | ... (August 2021) |
| Timberline sparrow | Low | Stub | 3 | September 2022 | Harv and Sfn no-target errors, ... (September 2022), Unsourced passages need footnotes {{citation needed}} (September 2022) |
| Torrey Canyon oil spill | Low | Start | 2 | January 2021 | ... (January 2021), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Trap-lining | Low | C | 1 | December 2014 | ... (December 2014) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Ambelopoulia | Low | Start | 1 | January 2026 | ... (January 2026) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Beak | High | B | 5 | September 2021 | CS1 errors: missing periodical, Incomplete citations (September 2021), ... (May 2023), Dead external links {{dead link}} (October 2023), CS1 errors: ISBN date |
| Birds of the World: Recommended English Names | Low | C | 1 | December 2025 | ... (December 2025) |
| Cape Denison | Low | Start | 1 | March 2022 | ... (March 2022) |
| Chinese pheasant | Low | List | 1 | August 2024 | ... (August 2024) |
| Cultural depictions of penguins | Low | Start | 4 | May 2011 | Unsourced passages need footnotes {{More citations needed}} (May 2011), Unsourced passages need footnotes {{citation needed}} (May 2011), Clarification needed (May 2011), ... (March 2022) |
| Domestic pigeon | Low | C | 7 | July 2019 | ... (July 2019, April 2023), Dead external links {{dead link}} (September 2024), Unsourced passages need footnotes {{citation needed}} (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025), Clarification needed (January 2026), Weasel-worded phrases (January 2026) |
| Duck | High | C | 3 | February 2020 | ... (February 2020, February 2020), Unsourced passages need footnotes {{More citations needed}} (October 2024) |
| Eupsittula canicularis | Low | Start | 1 | March 2023 | ... (March 2023) |
| International Down and Feather Testing Laboratory | Low | C | 5 | May 2011 | Promotional tone (May 2011), ... (June 2022), Unsourced passages need footnotes {{citation needed}} (March 2024, May 2024, June 2024) |
| Longipteryx | Mid | B | 2 | August 2021 | ... (August 2021), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Ludiortyx | Low | Stub | 1 | January 2013 | ... (January 2013) |
| Mallard | Low | GA | 3 | December 2017 | ... (December 2017), Dead external links {{dead link}} (August 2024), CS1 errors: ISBN date |
| Moreton Bay | Low | B | 3 | October 2023 | Articles using infobox body of water without alt bathymetry, ... (October 2023), Dead external links {{dead link}} (April 2024) |
| Red-winged blackbird | Low | B | 3 | May 2020 | Page number citations needed (May 2020, March 2021), ... (May 2020) |
| Ukrainian Skycutter | Low | Stub | 4 | January 2008 | Unsourced passages need footnotes {{More citations needed}} (January 2008), Unsourced passages need footnotes {{citation needed}} (December 2010, February 2017), ... (December 2018) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Chris Rose (artist) (BLP) | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Clifford Brodie Frith (BLP) | Low | Start | 1 | January 2023 | ... (January 2023) |
| Clive Byers (BLP) | Low | Stub | 1 | March 2009 | ... (March 2009) |
| David Allen Sibley (BLP) | Low | Stub | 2 | March 2008 | ... (March 2008), Dead external links {{dead link}} (November 2019) |
| Dawn Whyatt Frith (BLP) | Low | Start | 2 | June 2017 | ... (June 2017), Has general references but lacks inline footnotes (June 2017) |
| Hadoram Shirihai (BLP) | Low | Start | 1 | August 2010 | ... (August 2010) |
| Jemima Parry-Jones (BLP) | Low | Start | 2 | January 2025 | ... (January 2025), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Michael Brooker (BLP) | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Michale Fee (BLP) | Low | Stub | 1 | February 2013 | ... (February 2013) |
| Peter Lansdown (BLP) | Low | Stub | 2 | May 2024 | Has general references but lacks inline footnotes (May 2024), ... (May 2024) |
| Rob Hume (BLP) | Low | Start | 1 | September 2024 | ... (September 2024) |
| Stanley Temple (BLP) | Low | Stub | 2 | February 2014 | ... (February 2014), Cites unreliable sources (February 2014) |
| Steve Gantlett (BLP) | Low | Stub | 1 | April 2023 | ... (April 2023) |
| Tim Gallagher (BLP) | Low | Stub | 2 | February 2017 | Has general references but lacks inline footnotes (February 2017), ... (February 2017) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Mountain owlet-nightjar | Low | Stub | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Allan Octavian Hume | Low | B | 1 | ||
| Alpine chough | Low | FA | 1 | ||
| Andean condor | Mid | FA | 2 | August 2023 | Dead external links {{dead link}} (August 2023) |
| Anhinga | Low | C | 3 | December 2024 | Unsourced passages need footnotes {{citation needed}} (December 2024, August 2025) |
| Asian koel | Mid | C | 2 | November 2020 | Unsourced passages need footnotes {{More citations needed}} (November 2020) |
| Aëdon | Low | B | 1 | ||
| Banded stilt | Mid | FA | 1 | ||
| Bar yokni | Low | Stub | 1 | ||
| Bar-winged flycatcher-shrike | Low | C | 1 | ||
| Barn swallow | Low | FA | 1 | ||
| Bass Rock | Low | B | 3 | CS1 errors: missing title, CS1 errors: bare URL | |
| Beak | High | B | 5 | September 2021 | CS1 errors: missing periodical, Incomplete citations (September 2021), Accuracy disputes or self-published (May 2023), Dead external links {{dead link}} (October 2023) |
| Bird | Top | FA | 3 | 2022 | Potentially dated statements (2022), Page number citations needed (January 2025) |
| Bird anatomy | Top | B | 4 | September 2018 | Unsourced passages need footnotes {{More citations needed}} (September 2018), Clarification needed (April 2021), Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Bird vocalization | Top | B | 5 | September 2011 | Expansion needed (September 2011), Unsourced passages need footnotes {{citation needed}} (February 2022), Vague or ambiguous time (August 2022), Dead external links {{dead link}} (October 2023) |
| Black catbird | Mid | GA | 1 | ||
| Black kite | Mid | C | 2 | February 2026 | Vague or ambiguous time (February 2026) |
| Black phoebe | Low | Start | 1 | ||
| Black stork | Low | FA | 2 | August 2024 | Dead external links {{dead link}} (August 2024) |
| Black-billed magpie | Low | GA | 1 | ||
| Black-footed albatross | Low | B | 1 | ||
| Black-necked grebe | Low | FA | 1 | ||
| Black-rumped flameback | Low | C | 1 | ||
| Black-thighed falconet | Low | Start | 1 | ||
| Brewer's duck | Low | Stub | 1 | ||
| Brian Houghton Hodgson | Mid | C | 1 | ||
| Brown honeyeater | Low | GA | 1 | ||
| Cardellina | Mid | Stub | 1 | ||
| Carolina parakeet | Mid | C | 2 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Charles Waterton | Mid | Start | 3 | December 2013 | Cites unreliable sources (December 2013), Unsourced passages need footnotes {{citation needed}} (November 2021) |
| Checkered woodpecker | Low | Start | 1 | ||
| Chimney swift | Low | B | 3 | August 2018 | Unsourced passages need footnotes {{citation needed}} (August 2018), Dead external links {{dead link}} (December 2023) |
| Chough | Mid | GA | 3 | August 2017 | Dead external links {{dead link}} (August 2017, July 2020) |
| Ciconia | Mid | Start | 1 | ||
| Cinereous tit | Low | Start | 1 | ||
| Cinnamon teal | Low | Start | 1 | ||
| Clark's grebe | Low | Start | 1 | ||
| Common nightingale | Mid | C | 1 | ||
| Common ostrich | Top | B | 4 | November 2013 | Page number citations needed (November 2013), Dead external links {{dead link}} (December 2023), Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Common starling | Mid | FA | 1 | ||
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: bare URL, Dead external links {{dead link}} (June 2025) |
| Curtis Island (Tasmania) | Low | Stub | 1 | ||
| Denison-Crockett South Pacific Expedition | Low | Start | 1 | ||
| Diseases of Canaries | Low | Stub | 2 | November 2018 | Unsourced passages need footnotes {{More citations needed}} (November 2018) |
| Domestic duck | Low | GA | 1 | ||
| East Moncoeur Island | Low | Stub | 1 | ||
| Eastern red-rumped swallow | Low | Start | 1 | ||
| Eastern screech owl | Low | B | 1 | ||
| Edgar Alexander Mearns | Low | Start | 1 | ||
| Edward Blyth | Mid | B | 1 | ||
| Egyptian vulture | Mid | GA | 1 | ||
| Electron (bird) | Low | Stub | 1 | ||
| Elegant quail | Low | Start | 1 | ||
| Elephant bird | Mid | B | 1 | ||
| Elizabeth Dickens (ornithologist) | Low | Start | 1 | ||
| Emperor penguin | High | FA | 3 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025), Dead external links {{dead link}} (December 2025) |
| Emu | Top | FA | 1 | ||
| English Carrier pigeon | Low | Start | 1 | ||
| English Pouter | Low | Start | 1 | ||
| Eurasian bittern | Low | GA | 1 | ||
| Eurasian goshawk | Low | B | 4 | March 2023 | CS1 errors: generic name, Unsourced passages need footnotes {{citation needed}} (March 2023, September 2024) |
| Eurasian sparrowhawk | Low | GA | 3 | June 2010 | Dead external links {{dead link}} (June 2010, March 2024) |
| Eurasian tree sparrow | Mid | FA | 1 | ||
| European herring gull | Mid | B | 3 | September 2014 | Unsourced passages need footnotes {{More citations needed}} (September 2014), Unsourced passages need footnotes {{citation needed}} (June 2023) |
| European storm petrel | Mid | FA | 1 | ||
| Fairway Rock | Low | B | 1 | ||
| Fastest animals | Low | List | 6 | October 2017 | Cites unreliable sources (October 2017), Unsourced passages need footnotes {{citation needed}} (June 2018, September 2018), CS1 errors: missing periodical, Disputed statements (October 2021) |
| Flight feather | High | FA | 1 | ||
| Florence Merriam Bailey | Low | GA | 1 | ||
| Florida scrub jay | Mid | Start | 1 | ||
| Francis Willughby | Low | FA | 1 | ||
| Freckle-breasted thornbird | Low | Start | 1 | ||
| Giant Canada goose | Low | Start | 2 | August 2022 | Unsourced passages need footnotes {{More citations needed}} (August 2022) |
| Glossary of bird terms | Top | FL | 2 | May 2024 | Dead external links {{dead link}} (May 2024) |
| Goldcrest | Low | FA | 1 | ||
| Great crested flycatcher | Low | C | 1 | ||
| Great hornbill | Low | B | 2 | December 2021 | Unsourced passages need footnotes {{citation needed}} (December 2021) |
| Great horned owl | Mid | B | 2 | June 2024 | Dead external links {{dead link}} (June 2024) |
| Great tit | Low | GA | 2 | August 2025 | Clarification needed (August 2025) |
| Greater adjutant | Low | GA | 1 | ||
| Grey francolin | Low | C | 1 | ||
| Grey heron | Low | GA | 1 | ||
| Grey-headed bushshrike | Low | C | 1 | ||
| Grip (raven) | Low | C | 1 | ||
| Guano | Low | GA | 1 | ||
| Harriet Mann Miller | Low | B | 1 | ||
| Hawaii mamo | Low | Start | 1 | ||
| Hawaiian hawk | Low | Start | 1 | ||
| Henry Haversham Godwin-Austen | Low | Start | 1 | ||
| Human uses of birds | High | GA | 2 | August 2024 | Dead external links {{dead link}} (August 2024) |
| Indian grey hornbill | Low | Start | 1 | ||
| Indian peafowl | Low | B | 2 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Indian silverbill | Low | Start | 1 | ||
| King vulture | Low | FA | 2 | October 2023 | Dead external links {{dead link}} (October 2023) |
| Knysna warbler | Low | Start | 1 | ||
| Large grey babbler | Low | Start | 1 | ||
| Lawrence Rocks | Low | Stub | 1 | ||
| Laysan albatross | Low | B | 5 | March 2011 | Unsourced passages need footnotes {{citation needed}} (March 2011, December 2022), Potentially dated statements (2021), Dead external links {{dead link}} (November 2024) |
| Least flycatcher | Low | Start | 1 | ||
| Long-billed dowitcher | Low | Start | 2 | January 2025 | Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Long-tailed finch | Low | C | 1 | ||
| Loten's sunbird | Low | C | 1 | ||
| Ludlow Griscom | Mid | C | 1 | ||
| Macaroni penguin | Mid | FA | 1 | ||
| Mallard | Low | GA | 3 | December 2017 | Accuracy disputes or self-published (December 2017), Dead external links {{dead link}} (August 2024) |
| Martha (passenger pigeon) | High | C | 1 | ||
| Maud Doria Haviland | Low | Start | 1 | ||
| Microscelis | Low | Stub | 1 | ||
| Mourning dove | Mid | FA | 3 | November 2025 | Failed verification (November 2025), Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Musician wren | Low | Start | 1 | ||
| Near passerine | Low | Stub | 1 | ||
| Nilgiri blue robin | Low | C | 2 | January 2019 | Dead external links {{dead link}} (January 2019) |
| Norfolk kākā | Mid | Start | 1 | ||
| Northern fulmar | Low | C | 1 | ||
| Northern mockingbird | Low | GA | 2 | February 2025 | Unsourced passages need footnotes {{More citations needed}} (February 2025) |
| Northern storm petrel | High | GA | 1 | ||
| Nun pigeon | Low | Start | 1 | ||
| Origin of birds | High | B | 3 | May 2023 | Detailed references needed, Unsourced passages need footnotes {{citation needed}} (May 2023) |
| Owl of Athena | Low | Start | 1 | ||
| Painted redstart | Low | Start | 1 | ||
| Pale-capped pigeon | Low | Start | 1 | ||
| Passenger pigeon | Mid | FA | 1 | ||
| Penguin | High | B | 4 | November 2020 | Failed verification (November 2020), Page number citations needed (November 2021), Cites unreliable sources (November 2025) |
| Pied thrush | Low | C | 1 | ||
| Pink-headed warbler | Low | C | 1 | ||
| Piping shrike | Low | Start | 3 | April 2023 | Original research (April 2023), Unsourced passages need footnotes {{citation needed}} (April 2023) |
| Plumbeous water redstart | Low | C | 1 | ||
| Poultry | Low | GA | 2 | 2022 | Potentially dated statements (2022) |
| Prothonotary warbler | Mid | Start | 2 | December 2024 | Unsourced passages need footnotes {{citation needed}} (December 2024) |
| Przevalski's nuthatch | High | FA | 2 | 2024 | Potentially dated statements (2024) |
| Puerto Rican parakeet | Low | Start | 1 | ||
| Red warbler | Low | FA | 1 | ||
| Red-backed fairywren | Low | FA | 1 | ||
| Red-billed leiothrix | Low | Start | 1 | ||
| Red-billed quelea | High | FA | 2 | August 2025 | Dead external links {{dead link}} (August 2025) |
| Red-naped shaheen | Low | Stub | 1 | ||
| Robert Ridgway | Low | GA | 1 | ||
| Robert Thomas Moore | Low | Start | 1 | ||
| Rodondo Island | Low | Start | 1 | ||
| Rosalie Edge | Low | GA | 1 | ||
| Royal tern | Low | C | 2 | December 2017 | Dead external links {{dead link}} (December 2017) |
| Ruby-crowned kinglet | Low | C | 2 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Rufous hornero | Low | C | 1 | ||
| Réunion swamphen | Low | FA | 1 | ||
| Sporophila | Mid | Stub | 1 | ||
| Spotted pardalote | Low | C | 2 | June 2012 | Unsourced passages need footnotes {{citation needed}} (June 2012) |
| Striped honeyeater | Mid | GA | 1 | ||
| Tangata manu | Low | Start | 2 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| The Bird Lover | Low | C | 1 | ||
| Turkey vulture | Low | FA | 1 | ||
| Vella Lavella | Low | Start | 2 | December 2024 | Has general references but lacks inline footnotes (December 2024) |
| Vermilion flycatcher | Low | FA | 1 | ||
| Wake Island | Mid | B | 2 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025) |
| Waterfowl hunting | Low | C | 2 | January 2025 | Vague or ambiguous geographic scope (January 2025) |
| West Moncoeur Island | Low | Start | 1 | ||
| Western jackdaw | Mid | FA | 1 | ||
| White stork | Mid | FA | 2 | December 2014 | Page number citations needed (December 2014) |
| White-bellied blue robin | Low | C | 1 | ||
| White-browed wagtail | Low | Start | 1 | ||
| White-necked rockfowl | Low | FA | 1 | ||
| White-winged scoter | Low | Start | 2 | March 2009 | Unsourced passages need footnotes {{More citations needed}} (March 2009) |
| William Beebe | High | GA | 1 | ||
| William Moreton Condry | Low | Stub | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| East Asian–Australasian Flyway | Low | Stub | 1 | ||
| Pond heron | Low | Start | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Collosogavis | Low | Stub | 3 | February 2026 | Missing taxobox, Has general references but lacks inline footnotes (February 2026) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Barbara Snow (ornithologist) | Mid | C | 3 | March 2011 | Incomplete lists (March 2011), Vague or ambiguous time (February 2026) |
| Barred tinamou | Low | Start | 2 | February 2009 | Unsourced passages need footnotes {{citation needed}} (February 2009) |
| Blue budgerigar mutation | Low | C | 1 | ||
| Brazilian tinamou | Low | Start | 1 | ||
| Brown gerygone | Low | Start | 1 | ||
| Brown thornbill | Low | Start | 1 | ||
| Chaco nothura | Low | Stub | 2 | March 2022 | Dead external links {{dead link}} (March 2022) |
| Choco tinamou | Low | Start | 1 | ||
| Cinereous tinamou | Low | Start | 2 | February 2009 | Unsourced passages need footnotes {{citation needed}} (February 2009) |
| Crypturellus | Mid | Start | 1 | ||
| Fauna of Scotland | High | FA | 2 | 2018 | Potentially dated statements (2018) |
| Feral pigeon | Low | C | 3 | June 2015 | Limited geographic scope (June 2015), Update needed (July 2019) |
| Hooded tinamou | Low | Stub | 1 | ||
| House sparrow | High | GA | 1 | ||
| Kiwi (bird) | High | B | 4 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013), Potentially dated statements (2018), Failed verification (November 2024) |
| Lahugala Kitulana National Park | Low | Start | 1 | ||
| Lesser nothura | Low | Start | 1 | ||
| Long-tailed silky-flycatcher | Low | Start | 1 | ||
| Lunugamvehera National Park | Low | Start | 1 | ||
| Minneriya National Park | Low | C | 2 | February 2016 | Vague or ambiguous time (February 2016) |
| Pale-browed tinamou | Low | Start | 1 | ||
| Puerto Rican amazon | Mid | FA | 1 | ||
| Quebracho crested tinamou | Low | Start | 1 | ||
| Red fox sparrow | Low | Start | 1 | ||
| Red-tailed hawk | Low | GA | 1 | ||
| Resplendent quetzal | High | GA | 1 | ||
| Rottnest Island | Low | C | 11 | November 2011 | Unsourced passages need footnotes {{citation needed}} (November 2011, February 2021, April 2022, January 2023, March 2025), Potentially dated statements (June 2016, 2019), Dead external links {{dead link}} (February 2021, October 2022), Page number citations needed (April 2025) |
| Rusty tinamou | Low | Stub | 1 | ||
| Sibsey Island | Low | Start | 5 | March 2013 | Clarification needed (March 2013), Factual verification needed (March 2013, January 2014), Unsourced passages need footnotes {{citation needed}} (June 2016) |
| South Island giant moa | Low | C | 2 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Sparkie Williams | Low | Start | 2 | August 2024 | Unsourced passages need footnotes {{citation needed}} (August 2024) |
| Tepui tinamou | Low | Start | 1 | ||
| The Ara Project | Mid | Stub | 2 | November 2023 | Unsourced passages need footnotes {{citation needed}} (November 2023) |
| White-bellied nothura | Low | Start | 1 | ||
| Yellowface I budgerigar mutation | Low | Start | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Bass Rock | Low | B | 3 | CS1 errors: missing title, CS1 errors: ISBN date | |
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| Drakensberg rockjumper | Low | Start | 2 | CS1 errors: missing title | |
| Dusky lory | Mid | Start | 2 | CS1 errors: missing title | |
| Gadfly petrel | Mid | Start | 2 | CS1 errors: missing title | |
| Pink-footed shearwater | Low | C | 2 | CS1 errors: missing title | |
| Sidney Dillon Ripley | Mid | Start | 2 | CS1 errors: missing title | |
| Tibetan eared pheasant | Low | Start | 2 | CS1 errors: missing title | |
| Tippler | Low | Start | 7 | July 2013 | Unsourced passages need footnotes {{citation needed}} (July 2013, October 2020), Unsourced passages need footnotes {{More citations needed}} (September 2014), Has general references but lacks inline footnotes (September 2014), Clarification needed (January 2015), CS1 errors: missing title |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Pecten oculi | Low | C | 1 | ||
| Sanford's sea eagle | Low | Start | 2 | May 2011 | Page number citations needed (May 2011) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Bird control | Low | Stub | 3 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Eurasian goshawk | Low | B | 4 | March 2023 | Unsourced passages need footnotes {{citation needed}} (March 2023, September 2024), CS1 errors: ISBN date |
| Horagolla National Park | Low | Start | 1 | ||
| Kathy Martin (scientist) | Low | C | 2 | April 2025 | Dead external links {{dead link}} (April 2025) |
| Raptor persecution | Low | C | 1 | ||
| Spotted bowerbird | Low | Stub | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Fowl cholera | Low | C | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 1822 in birding and ornithology | Low | List | 2 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024) |
| Australian owlet-nightjar | Low | Start | 1 | ||
| Barking owl | Low | Start | 1 | ||
| Beak | High | B | 5 | September 2021 | Incomplete citations (September 2021), Accuracy disputes or self-published (May 2023), Dead external links {{dead link}} (October 2023), CS1 errors: ISBN date |
| Collared flycatcher | Low | Start | 1 | ||
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| Fastest animals | Low | List | 6 | October 2017 | Cites unreliable sources (October 2017), Unsourced passages need footnotes {{citation needed}} (June 2018, September 2018), Disputed statements (October 2021), CS1 errors: ISBN date |
| Hooded grebe | Low | C | 2 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020) |
| Lompobattang fruit-dove | Low | Stub | 1 | ||
| Maleo | Mid | C | 2 | April 2025 | Unsourced passages need footnotes {{More citations needed}} (April 2025) |
| Philippine duck | Low | Stub | 1 | ||
| Rhinoceros hornbill | Low | Start | 2 | September 2024 | Unsourced passages need footnotes {{More citations needed}} (September 2024) |
| Spot-necked babbler | Low | Stub | 1 | ||
| Trinidad motmot | Low | Stub | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Alfred Ezra | Low | Start | 1 | ||
| Bass Rock | Low | B | 3 | CS1 errors: bare URL, CS1 errors: ISBN date | |
| Clearwing budgerigar mutation | Low | C | 1 | ||
| Cocking-cloth | Low | Stub | 1 | ||
| Cockshoot | Low | Stub | 1 | ||
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: bare URL, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| Dark budgerigar mutation | Low | C | 1 | ||
| Drakensberg rockjumper | Low | Start | 2 | CS1 errors: bare URL | |
| Dusky lory | Mid | Start | 2 | CS1 errors: bare URL | |
| Emma G. Cummings | Low | C | 1 | ||
| English Fallow budgerigar mutation | Low | C | 1 | ||
| Erythrotriorchis | Mid | Stub | 1 | ||
| Gadfly petrel | Mid | Start | 2 | CS1 errors: bare URL | |
| German Fallow budgerigar mutation | Low | C | 1 | ||
| Grey-crested helmetshrike | Low | Stub | 1 | ||
| Hatchery | Low | Start | 2 | June 2007 | Unsourced passages need footnotes {{More citations needed}} (June 2007) |
| Iago sparrow | Low | GA | 1 | ||
| Jeremy Greenwood (BLP) | Low | Stub | 2 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008) |
| List of extinct bird species since 1500 | High | List | 3 | January 2018 | Dead external links {{dead link}} (January 2018), Has general references but lacks inline footnotes (January 2022) |
| Mariana mallard | Low | Start | 3 | January 2010 | Unsourced passages need footnotes {{citation needed}} (January 2010, September 2011) |
| Mark Cocker (BLP) | Low | C | 1 | ||
| Opaline budgerigar mutation | Low | C | 1 | ||
| Ostrich oil | Low | Start | 2 | October 2024 | Incomplete citations (October 2024) |
| Pellet (ornithology) | Low | Start | 1 | ||
| Peter Conder | Low | Start | 1 | ||
| Pink-footed shearwater | Low | C | 2 | CS1 errors: bare URL | |
| Scottish Fallow budgerigar mutation | Low | C | 1 | ||
| Sidney Dillon Ripley | Mid | Start | 2 | CS1 errors: bare URL | |
| Slate budgerigar mutation | Low | C | 1 | ||
| Tibetan eared pheasant | Low | Start | 2 | CS1 errors: bare URL | |
| Tippler | Low | Start | 7 | July 2013 | Unsourced passages need footnotes {{citation needed}} (July 2013, October 2020), Unsourced passages need footnotes {{More citations needed}} (September 2014), Has general references but lacks inline footnotes (September 2014), Clarification needed (January 2015), CS1 errors: bare URL |
| Tony Norris | Low | Start | 2 | January 2017 | Has general references but lacks inline footnotes (January 2017) |
| Violet budgerigar mutation | Low | Start | 1 | ||
| William Turner (naturalist) | Mid | Start | 2 | August 2017 | Unsourced passages need footnotes {{citation needed}} (August 2017) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| BirdLife Australia | Low | C | 1 | ||
| Brown fish owl | Low | Start | 2 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020) |
| Brown noddy | Low | Start | 1 | ||
| Crested honey buzzard | Low | C | 2 | November 2022 | Unsourced passages need footnotes {{citation needed}} (November 2022) |
| Grey falcon | Mid | C | 3 | October 2017 | Dead external links {{dead link}} (October 2017, September 2018) |
| Hattah-Kulkyne National Park | Low | Start | 1 | ||
| Jochen Martens (BLP) | Mid | B | 1 | ||
| Microhierax | Mid | Stub | 1 | ||
| Murray-Sunset National Park | Low | Start | 1 | ||
| Snow goose | High | C | 2 | December 2011 | Unsourced passages need footnotes {{citation needed}} (December 2011) |
| Swan | Mid | C | 2 | January 2024 | Unsourced passages need footnotes {{citation needed}} (January 2024) |
| Tito Narosky (BLP) | Low | Stub | 4 | August 2015 | Cites unreliable sources (August 2015), Notability unclear (August 2015), Has general references but lacks inline footnotes (August 2015) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Angola cave chat | Low | Stub | 1 | ||
| Arrowhead warbler | Low | Stub | 1 | ||
| Broiler | Low | C | 4 | January 2014 | Unsourced passages need footnotes {{citation needed}} (January 2014), Potentially dated statements (2018), Update needed (February 2021) |
| Brown-breasted kingfisher | Low | Stub | 1 | ||
| Elgon francolin | Low | Stub | 1 | ||
| Falaises d'Entrecasteaux | Low | Stub | 1 | ||
| Galapagos penguin | Low | Start | 6 | November 2023 | Unsourced passages need footnotes {{More citations needed}} (November 2023), Failed verification (May 2025), Cites unreliable sources (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025), Vague or ambiguous time (January 2026) |
| Galápagos mockingbird | Low | Start | 1 | ||
| Grand Cayman bullfinch | Low | Start | 1 | ||
| Green-backed honeybird | Low | C | 1 | ||
| Guam kingfisher | High | C | 1 | ||
| Huambo cisticola | Low | Stub | 1 | ||
| List of birds of Southern Africa | Mid | List | 2 | February 2018 | Unsourced passages need footnotes {{citation needed}} (February 2018) |
| Maratua shama | Low | Stub | 1 | ||
| Moluccan scops owl | Low | Stub | 1 | ||
| Moorland francolin | Low | Stub | 1 | ||
| Olive-winged trumpeter | Low | Start | 1 | ||
| Oriental scops owl | Low | Stub | 1 | ||
| Parapengornis | Low | Start | 2 | October 2023 | Failed verification (October 2023) |
| Principe scops owl | Low | Stub | 1 | ||
| Przevalski's partridge | Low | Stub | 1 | ||
| Réunion scops owl | Low | Start | 2 | April 2012 | Unsourced passages need footnotes {{citation needed}} (April 2012) |
| Sangihe lilac kingfisher | Low | Stub | 1 | ||
| Wetar scops owl | Low | Stub | 1 | ||
| White-chinned petrel | Low | C | 1 | ||
| White-throated kingfisher | Low | C | 1 | ||
| Xinjiang ground jay | Low | Stub | 1 | ||
| Yellowish pipit | Low | Stub | 1 |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 1866 in birding and ornithology | Low | List | 1 | October 2013 | ... (October 2013) |
| 1871 in birding and ornithology | Low | List | 1 | December 2025 | ... (December 2025) |
| 1874 in birding and ornithology | Low | List | 1 | December 2025 | ... (December 2025) |
| Chistopolian Highflyer | Low | Stub | 1 | September 2023 | ... (September 2023) |
| Danish Tumbler | Low | Stub | 2 | August 2012 | ... (August 2012), Notability unclear (July 2025) |
| Grand Falconer of France | Low | Start | 1 | February 2026 | ... (February 2026) |
| Lake Sárkány | Low | Stub | 1 | November 2018 | ... (November 2018) |
| Malkoha | Mid | Stub | 1 | October 2025 | ... (October 2025) |
| North American landbirds in Britain | Low | Stub | 2 | August 2008 | Incomplete lists (August 2008), ... (February 2026) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Abyssinian catbird | Mid | Stub | 1 | October 2025 | ... (October 2025) |
| American Birding Association | Mid | Start | 2 | August 2013 | ... (August 2013), Dead external links {{dead link}} (May 2025) |
| Augury | Low | C | 2 | April 2023 | ... (April 2023), Unsourced passages need footnotes {{citation needed}} (April 2023) |
| Bird Protection Quebec | Low | Stub | 2 | November 2010 | ... (November 2010), Has general references but lacks inline footnotes (November 2010) |
| Bird wing | Low | C | 1 | June 2025 | ... (June 2025) |
| BirdLife Malta | Low | Stub | 2 | November 2010 | ... (November 2010), Unsourced passages need footnotes {{More citations needed}} (November 2010) |
| Bird–window collisions | Mid | Start | 1 | February 2026 | ... (February 2026) |
| Black swan | Mid | C | 3 | August 2021 | ... (August 2021), Unsourced passages need footnotes {{citation needed}} (July 2022, April 2025) |
| Broad-winged hawk | Low | Start | 2 | October 2011 | Unsourced passages need footnotes {{citation needed}} (October 2011), ... (October 2011) |
| Catalan Ornithological Institute | Low | Stub | 1 | August 2008 | ... (August 2008) |
| Catalina macaw | Low | Stub | 1 | November 2021 | ... (November 2021) |
| Charles Waterton | Mid | Start | 3 | December 2013 | ... (December 2013), Unsourced passages need footnotes {{citation needed}} (November 2021), CS1 errors: ISBN date |
| Chattering lory | Low | Start | 1 | December 2025 | ... (December 2025) |
| Chicken hypnotism | Low | Start | 1 | October 2023 | ... (October 2023) |
| Cloaca | Mid | C | 1 | July 2019 | ... (July 2019) |
| Cormorant | High | C | 9 | November 2007 | Factual verification needed (November 2007), Unsourced passages need footnotes {{citation needed}} (June 2016, July 2018, May 2020, October 2020, September 2024), Update needed (June 2023), ... (September 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Cornwall Birdwatching and Preservation Society | Low | Start | 2 | February 2020 | ... (February 2020), Notability unclear (February 2020) |
| Corvus | Mid | C | 12 | June 2011 | ... (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| DAD-IS | Low | List | 4 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024, April 2025), Failed verification (March 2024), ... (September 2024) |
| Deception Island | Low | C | 3 | July 2020 | ... (July 2020), Unsourced passages need footnotes {{citation needed}} (July 2020, February 2024) |
| Deep Play: Notes on the Balinese Cockfight | Low | Start | 5 | June 2011 | Unsourced passages need footnotes {{More citations needed}} (June 2011), ... (May 2024), Weasel-worded phrases (May 2024), Introduction cleanup (May 2024), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Diving bird | Low | Stub | 2 | May 2021 | ... (May 2021), Unsourced passages need footnotes {{citation needed}} (May 2021) |
| EBird | Low | Start | 2 | February 2024 | Potentially dated statements (February 2024), ... (December 2024) |
| Fastest animals | Low | List | 6 | October 2017 | ... (October 2017), Unsourced passages need footnotes {{citation needed}} (June 2018, September 2018), CS1 errors: missing periodical, Disputed statements (October 2021), CS1 errors: ISBN date |
| Frank Beebe | Low | Start | 2 | November 2008 | ... (November 2008), Notability unclear (December 2017) |
| Friedrich Steinbacher | Low | Stub | 2 | July 2023 | ... (July 2023), Notability unclear (July 2023) |
| Fundación ProAves | Low | Stub | 1 | September 2016 | ... (September 2016) |
| Galapagos penguin | Low | Start | 6 | November 2023 | CS1 errors: requires URL, Unsourced passages need footnotes {{More citations needed}} (November 2023), Failed verification (May 2025), ... (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025), Vague or ambiguous time (January 2026) |
| Gordon Beruldsen | Low | Stub | 3 | July 2024 | Notability unclear (July 2024), Has general references but lacks inline footnotes (July 2024), ... (July 2024) |
| Handbook of the Birds of India and Pakistan | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Hawk Mountain Sanctuary | Low | Start | 2 | February 2015 | Unsourced passages need footnotes {{citation needed}} (February 2015), ... (December 2020) |
| Hildegarde Howard | Low | Start | 1 | November 2018 | ... (November 2018) |
| Ibis (journal) | Low | Start | 1 | June 2022 | ... (June 2022) |
| International Centre for Birds of Prey | Low | Stub | 1 | August 2023 | ... (August 2023) |
| King quail | Low | Start | 2 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020), ... (May 2020) |
| Kranich Museum | Low | Start | 3 | August 2012 | Unsourced passages need footnotes {{citation needed}} (August 2012), Dead external links {{dead link}} (February 2020), ... (August 2022) |
| Le Cornelle | Low | Stub | 2 | April 2014 | ... (April 2014), Unsourced passages need footnotes {{More citations needed}} (September 2016) |
| Leucocytozoon | Low | Start | 2 | September 2015 | Unsourced passages need footnotes {{More citations needed}} (September 2015), ... (May 2022) |
| List of birds of Albania | Low | List | 1 | November 2025 | ... (November 2025) |
| List of birds of Azerbaijan | Low | List | 1 | November 2025 | ... (November 2025) |
| List of birds of Portugal | Low | List | 1 | November 2025 | ... (November 2025) |
| List of birdwatchers | Low | List | 5 | December 2009 | Unsourced passages need footnotes {{citation needed}} (December 2009), ... (March 2023, March 2024), Unsourced passages need footnotes {{More citations needed}} (March 2023, March 2024) |
| Marabou stork | Mid | C | 3 | September 2020 | Unsourced passages need footnotes {{citation needed}} (September 2020, December 2020), ... (January 2023) |
| Max Planck Institute for Ornithology | Low | C | 2 | August 2020 | Unsourced passages need footnotes {{citation needed}} (August 2020), ... (August 2020) |
| Mini-macaw | Low | Stub | 2 | December 2008 | Unsourced passages need footnotes {{citation needed}} (December 2008), ... (December 2020) |
| Mongolian Ornithological Society | Low | Stub | 2 | February 2016 | Unsourced passages need footnotes {{More citations needed}} (February 2016), ... (February 2016) |
| N'kisi | Low | Start | 2 | December 2016 | Dead external links {{dead link}} (December 2016), ... (February 2020) |
| Nest box | Low | C | 2 | June 2023 | ... (June 2023), Dead external links {{dead link}} (August 2025) |
| New Jersey Audubon Society | Low | Start | 1 | November 2010 | ... (November 2010) |
| Owl | Top | C | 5 | July 2010 | Clarification needed (July 2010), Unsourced passages need footnotes {{citation needed}} (July 2019, March 2021, March 2024), ... (February 2023) |
| Pacific Seabird Group | Low | Start | 2 | June 2009 | ... (June 2009), Unsourced passages need footnotes {{More citations needed}} (May 2017) |
| Patricia Vickers-Rich (BLP) | Low | C | 1 | April 2021 | ... (April 2021) |
| Penguin | High | B | 4 | November 2020 | Failed verification (November 2020), Page number citations needed (November 2021), CS1 errors: ISBN date, ... (November 2025) |
| Pigeon racing | Low | B | 11 | March 2008 | Unsourced passages need footnotes {{citation needed}} (March 2008, October 2012, May 2017, July 2024), Unsourced passages need footnotes {{More citations needed}} (February 2022, July 2024), Clarification needed (October 2022, July 2024), ... (July 2024), Page number citations needed (July 2024), Failed verification (July 2024) |
| Pin feather | Mid | Start | 1 | May 2023 | ... (May 2023) |
| Pinyon jay | Mid | B | 4 | April 2021 | Clarification needed (April 2021), Unsourced passages need footnotes {{citation needed}} (August 2024), ... (August 2024), Incomplete citations (August 2024) |
| Polydipsia in birds | Low | Start | 1 | July 2012 | ... (July 2012) |
| RAPTOR Inc. | Low | Start | 2 | December 2025 | ... (December 2025), Orphaned (December 2025) |
| Randecker Maar Research Station | Low | C | 1 | December 2020 | ... (December 2020) |
| Regroupement QuébecOiseaux | Low | Stub | 3 | August 2015 | ... (August 2015), Unsourced passages need footnotes {{More citations needed}} (August 2024), Unsourced passages need footnotes {{citation needed}} (August 2024) |
| René Lesson | Low | Start | 2 | May 2013 | Unsourced passages need footnotes {{citation needed}} (May 2013), ... (August 2024) |
| Richard C. Banks | Low | C | 2 | December 2020 | Unsourced passages need footnotes {{citation needed}} (December 2020), ... (August 2023) |
| Richard Carew (antiquary) | Low | Start | 2 | January 2015 | ... (January 2015), Unsourced passages need footnotes {{citation needed}} (January 2015) |
| Screech Owl Sanctuary | Low | Stub | 1 | September 2021 | ... (September 2021) |
| Skellig Islands | Mid | Start | 1 | June 2025 | ... (June 2025) |
| Spot-bellied eagle-owl | Low | B | 1 | February 2025 | ... (February 2025) |
| Stanley Temple (BLP) | Low | Stub | 2 | February 2014 | BLP articles lacking sources (February 2014), ... (February 2014) |
| Tito Narosky (BLP) | Low | Stub | 4 | August 2015 | ... (August 2015), Notability unclear (August 2015), Has general references but lacks inline footnotes (August 2015), CS1 errors: periodical ignored |
| Towerkill | Mid | Start | 6 | July 2016 | Unsourced passages need footnotes {{citation needed}} (July 2016, August 2024, January 2025), Vague or ambiguous time (December 2018), Incomplete citations (January 2025), ... (January 2025) |
| Vogelbescherming Nederland | Low | Stub | 1 | June 2022 | ... (June 2022) |
| Waterbird Society | Low | Stub | 1 | June 2009 | ... (June 2009) |
| Western rockhopper penguin | Low | C | 2 | January 2019 | Unsourced passages need footnotes {{citation needed}} (January 2019), ... (October 2025) |
| Wild Bird Society of Japan | Low | Start | 2 | March 2021 | Promotional tone (March 2021), ... (March 2021) |
| ZW sex-determination system | High | C | 1 | May 2021 | ... (May 2021) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Greater rhea | Low | B | 3 | July 2022 | Unsourced passages need footnotes {{citation needed}} (July 2022, December 2025) |
| Origin of birds | High | B | 3 | May 2023 | Unsourced passages need footnotes {{citation needed}} (May 2023), CS1 errors: ISBN date |
| Sulawesi hornbill | Low | Stub | 3 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010), Vague or ambiguous time (May 2014) |
| The Finch Society of Australia | Low | Stub | 2 | February 2022 | Vague or ambiguous time (February 2022) |
| William Brunsdon Yapp | Low | Stub | 2 | November 2023 | Clarification needed (November 2023) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| African houbara | Low | C | 1 | October 2023 | ... (October 2023) |
| Australian raven | Low | FA | 1 | October 2025 | ... (October 2025) |
| Aythya | Mid | Stub | 1 | February 2008 | ... (February 2008) |
| Bagobo babbler | Mid | Stub | 1 | May 2009 | ... (May 2009) |
| Birds of Cornwall | Low | Start | 2 | 2012 | Potentially dated statements (2012), ... (January 2017) |
| Black guillemot | Low | Start | 1 | September 2019 | ... (September 2019) |
| Buller's shearwater | Low | C | 2 | January 2009 | Has general references but lacks inline footnotes (January 2009), ... (January 2009) |
| Chestnut-headed tesia | Low | Stub | 1 | May 2009 | ... (May 2009) |
| Chilean hawk | Low | Start | 1 | October 2008 | ... (October 2008) |
| Coal tit | Mid | C | 3 | May 2009 | ... (May 2009, September 2009), Dead external links {{dead link}} (September 2018) |
| Common pheasant | Low | C | 4 | March 2009 | ... (March 2009), Unsourced passages need footnotes {{citation needed}} (May 2014, December 2024, May 2025) |
| Consumed scrubfowl | Low | Start | 1 | December 2019 | ... (December 2019) |
| Cormorant | High | C | 9 | November 2007 | ... (November 2007), Unsourced passages need footnotes {{citation needed}} (June 2016, July 2018, May 2020, October 2020, September 2024), Update needed (June 2023), Cites unreliable sources (September 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Darter | Low | B | 2 | September 2009 | ... (September 2009), Dead external links {{dead link}} (July 2019) |
| Edward Grey, 1st Viscount Grey of Fallodon | Low | Start | 3 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020), ... (January 2021), Page number citations needed (January 2021) |
| Flufftail | High | Start | 1 | May 2024 | ... (May 2024) |
| Great Oʻahu crake | Low | Start | 1 | June 2024 | ... (June 2024) |
| Great grey shrike | Low | B | 3 | September 2009 | ... (September 2009, January 2011), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Hawaiian honeycreeper | Mid | Start | 1 | February 2008 | ... (February 2008) |
| Hawaiian rail | Low | Start | 1 | August 2013 | ... (August 2013) |
| Heron Island (Queensland) | Low | B | 2 | April 2008 | ... (April 2008), Potentially dated statements (June 2020) |
| Horned owl | Mid | Start | 2 | November 2008 | ... (November 2008), Dead external links {{dead link}} (August 2024) |
| Ivory-billed woodpecker | High | B | 4 | 2007 | Potentially dated statements (2007), Dead external links {{dead link}} (November 2023), ... (March 2025), Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Lonchodytes | Low | Stub | 2 | November 2007 | ... (November 2007), Unsourced passages need footnotes {{citation needed}} (November 2007) |
| Loon | Top | B | 1 | August 2009 | ... (August 2009) |
| Malayan peacock-pheasant | Low | C | 1 | May 2009 | ... (May 2009) |
| Moluccan eclectus | High | C | 2 | May 2011 | Unsourced passages need footnotes {{citation needed}} (May 2011), ... (May 2011) |
| Moriche oriole | Low | Start | 1 | April 2008 | ... (April 2008) |
| North Island giant moa | Low | C | 1 | September 2022 | ... (September 2022) |
| Northern house wren | Low | B | 1 | February 2008 | ... (February 2008) |
| Odontopteryx | Low | C | 5 | August 2009 | Has general references but lacks inline footnotes (August 2009), ... (August 2009, September 2009), Dead external links {{dead link}} (March 2018, May 2019) |
| Osteodontornis | Low | C | 1 | September 2009 | ... (September 2009) |
| Owlet-nightjar | High | Start | 1 | February 2008 | ... (February 2008) |
| Palintropus | Low | Start | 1 | September 2011 | ... (September 2011) |
| Pelagornithidae | Mid | B | 3 | September 2009 | ... (September 2009), Dead external links {{dead link}} (January 2018, April 2019) |
| Pelecaniformes | Top | Start | 2 | April 2025 | ... (April 2025), Update needed (April 2025) |
| Proardea | Low | Stub | 2 | November 2007 | ... (November 2007), Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Pseudodontornis | Low | C | 2 | August 2009 | ... (August 2009), Dead external links {{dead link}} (April 2019) |
| Pygmy owl | Mid | Start | 1 | October 2023 | ... (October 2023) |
| Red-necked crake | Mid | Start | 1 | January 2010 | ... (January 2010) |
| Robert Swinhoe | Mid | Start | 2 | September 2018 | Dead external links {{dead link}} (September 2018), ... (December 2025) |
| Scaly-sided merganser | Low | Start | 2 | May 2009 | ... (May 2009, January 2016) |
| Sibsey Island | Low | Start | 5 | March 2013 | Clarification needed (March 2013), ... (March 2013, January 2014), Unsourced passages need footnotes {{citation needed}} (June 2016), CS1 errors: archive-url |
| Spizaetus | Mid | Stub | 2 | September 2008 | ... (September 2008), Dead external links {{dead link}} (May 2018) |
| Sulidae | Mid | Start | 1 | September 2009 | ... (September 2009) |
| Vinous-throated parrotbill | Low | Start | 1 | October 2018 | ... (October 2018) |
| Zapornia | Mid | C | 1 | May 2024 | ... (May 2024) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Arnhem Plateau | Low | Start | 1 | March 2024 | ... (March 2024) |
| Babel Island | Low | Start | 1 | April 2025 | ... (April 2025) |
| Bald eagle | High | FA | 3 | 2007 | Potentially dated statements (2007), ... (December 2025), Reference cleanup (January 2026) |
| Bear Island (Svalbard) | Low | C | 3 | September 2010 | Dead external links {{dead link}} (September 2010), Unsourced passages need footnotes {{citation needed}} (February 2011), ... (February 2011) |
| Bird of the Year | Low | Start | 2 | August 2022 | Unsourced passages need footnotes {{citation needed}} (August 2022), ... (November 2024) |
| Bird vision | High | B | 4 | December 2014 | Unsourced passages need footnotes {{citation needed}} (December 2014, September 2015, June 2021), ... (August 2025) |
| Black woodpecker | Low | Start | 1 | March 2024 | ... (March 2024) |
| Black-headed weaver | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Burrowing owl | Low | B | 1 | May 2018 | ... (May 2018) |
| Cathartiformes | Low | Stub | 2 | May 2019 | ... (May 2019), Has general references but lacks inline footnotes (October 2024) |
| DAD-IS | Low | List | 4 | March 2024 | Unsourced passages need footnotes {{citation needed}} (March 2024, April 2025), ... (March 2024), Cites unreliable sources (September 2024) |
| Diving duck | Mid | Start | 1 | July 2021 | ... (July 2021) |
| Dominique G. Homberger (BLP) | Low | Start | 1 | November 2018 | ... (November 2018) |
| Double-banded plover | Low | C | 1 | December 2022 | ... (December 2022) |
| Douglas Arthur James | Low | Stub | 2 | December 2023 | ... (December 2023), Orphaned (December 2023) |
| East Sand Island | Unknown | Start | 2 | December 2025 | Unsourced passages need footnotes {{citation needed}} (December 2025), ... (December 2025) |
| Elizabeth Gould (illustrator) | Mid | B | 1 | September 2024 | ... (September 2024) |
| Eurasian siskin | Low | Start | 1 | October 2011 | ... (October 2011) |
| Galapagos penguin | Low | Start | 6 | November 2023 | CS1 errors: requires URL, Unsourced passages need footnotes {{More citations needed}} (November 2023), ... (May 2025), Cites unreliable sources (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025), Vague or ambiguous time (January 2026) |
| Greater spotted eagle | Low | C | 5 | December 2023 | Clarification needed (December 2023, January 2024), Vague or ambiguous time (January 2024), Style editing needed (January 2024), ... (January 2024) |
| Güldenstädt's redstart | Low | Start | 1 | July 2024 | ... (July 2024) |
| Javan kingfisher | Low | B | 1 | June 2019 | ... (June 2019) |
| Kiwi (bird) | High | B | 4 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013), Potentially dated statements (2018), CS1 errors: archive-url, ... (November 2024) |
| List of macaws | Low | List | 1 | June 2024 | ... (June 2024) |
| Mourning dove | Mid | FA | 3 | November 2025 | CS1 errors: ISBN date, ... (November 2025), Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Nightjar | High | C | 1 | August 2025 | ... (August 2025) |
| Palm-nut vulture | Mid | C | 1 | May 2018 | ... (May 2018) |
| Parapengornis | Low | Start | 2 | October 2023 | CS1 errors: requires URL, ... (October 2023) |
| Parrot | Top | B | 2 | January 2022 | ... (January 2022), Unsourced passages need footnotes {{citation needed}} (December 2025) |
| Penguin | High | B | 4 | November 2020 | ... (November 2020), Page number citations needed (November 2021), CS1 errors: ISBN date, Cites unreliable sources (November 2025) |
| Pigeon racing | Low | B | 11 | March 2008 | Unsourced passages need footnotes {{citation needed}} (March 2008, October 2012, May 2017, July 2024), Unsourced passages need footnotes {{More citations needed}} (February 2022, July 2024), Clarification needed (October 2022, July 2024), Cites unreliable sources (July 2024), Page number citations needed (July 2024), ... (July 2024) |
| Red-masked parakeet | Low | Start | 2 | May 2014 | Unsourced passages need footnotes {{citation needed}} (May 2014), ... (January 2026) |
| Snowy owl | Mid | C | 5 | October 2017 | Dead external links {{dead link}} (October 2017, January 2026), Reference cleanup (July 2025), Unsourced passages need footnotes {{citation needed}} (January 2026), ... (January 2026) |
| The Origin of Birds | Low | GA | 1 | December 2016 | ... (December 2016) |
| Tony Silva (BLP) | Low | Start | 3 | December 2022 | ... (December 2022), Disputed statements (December 2022), Vague or ambiguous geographic scope (December 2022) |
| Warbling antbird | Low | C | 3 | August 2024 | Has general references but lacks inline footnotes (August 2024), Copy edit needed (May 2025), ... (July 2025) |
| Western capercaillie | Low | C | 1 | October 2025 | ... (October 2025) |
| Ōreti River | Low | Start | 1 | March 2019 | ... (March 2019) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Brant (goose) | Low | Start | 2 | September 2010 | ... (September 2010), Dead external links {{dead link}} (November 2016) |
| Joseph Marshall Wade | Low | Start | 1 | June 2025 | ... (June 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Plume hunting | Low | C | 3 | April 2022 | Limited geographic scope (April 2022), Unsourced passages need footnotes {{citation needed}} (February 2025) |
| Pygoscelis | Mid | Start | 1 | ||
| Réunion harrier | Low | Start | 2 | April 2025 | Page number citations needed (April 2025) |
| Timberline sparrow | Low | Stub | 3 | September 2022 | Weasel-worded phrases (September 2022), Unsourced passages need footnotes {{citation needed}} (September 2022) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| African darter | Low | Start | 1 | February 2025 | ... (February 2025) |
| African spotted creeper | Low | Start | 1 | November 2021 | ... (November 2021) |
| Allen Morgan (ornithologist) | Low | C | 1 | December 2017 | ... (December 2017) |
| American coot | Low | B | 2 | April 2024 | ... (April 2024), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| Amsterdam albatross | Low | C | 1 | January 2025 | ... (January 2025) |
| An Annotated Checklist of the Birds of the Oriental Region | Low | Start | 1 | August 2025 | ... (August 2025) |
| Andrew Whittaker (ornithologist) (BLP) | Low | Start | 2 | March 2025 | ... (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025) |
| Anserinae | Mid | Start | 1 | January 2013 | ... (January 2013) |
| Antoon Emeric Marcel De Roo | Low | Start | 2 | April 2021 | Unsourced passages need footnotes {{More citations needed}} (April 2021), ... (April 2021) |
| Arthur Trezevant Wayne | Low | Start | 1 | October 2023 | ... (October 2023) |
| Atitlán grebe | Low | Start | 1 | January 2010 | ... (January 2010) |
| Atlantic Flyway | Mid | Start | 1 | January 2024 | ... (January 2024) |
| Audubon's oriole | Low | Start | 1 | February 2010 | ... (February 2010) |
| August Müller (ornithologist) | Low | Start | 1 | June 2025 | ... (June 2025) |
| Australasian treecreeper | High | C | 1 | March 2013 | ... (March 2013) |
| Australorp | Low | Start | 2 | May 2010 | ... (May 2010), Unsourced passages need footnotes {{citation needed}} (July 2018) |
| Avian range expansion | Mid | Start | 1 | November 2023 | ... (November 2023) |
| Azure-rumped tanager | Low | Stub | 2 | September 2024 | ... (September 2024), Unsourced passages need footnotes {{More citations needed}} (September 2024) |
| Bank cormorant | Low | Start | 1 | December 2009 | ... (December 2009) |
| Bar-shouldered dove | Low | Start | 2 | November 2011 | ... (November 2011), Unsourced passages need footnotes {{citation needed}} (April 2019) |
| Bekisar | Low | Start | 1 | November 2010 | ... (November 2010) |
| Bird Protection Quebec | Low | Stub | 2 | November 2010 | Cites unreliable sources (November 2010), ... (November 2010) |
| Bird food plants | Low | Stub | 1 | May 2013 | ... (May 2013) |
| Bird ichnology | Mid | Start | 1 | November 2015 | ... (November 2015) |
| Bird sanctuaries and conservation reserves in Karnataka | Low | List | 1 | November 2021 | ... (November 2021) |
| Bird scarer | Low | Start | 3 | June 2009 | Unsourced passages need footnotes {{More citations needed}} (June 2009), ... (June 2009), Unsourced passages need footnotes {{citation needed}} (November 2017) |
| BirdNote | Low | Start | 4 | December 2024 | External link cleanup {{external links}} (December 2024), Introduction cleanup (January 2025), ... (January 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Birds of Australia | High | Start | 1 | March 2013 | ... (March 2013) |
| Black storm petrel | Low | Start | 1 | August 2019 | ... (August 2019) |
| Black-faced sheathbill | Low | Start | 1 | January 2026 | ... (January 2026) |
| Black-fronted bushshrike | Low | Start | 1 | November 2020 | ... (November 2020) |
| Black-fronted dotterel | Low | Start | 1 | October 2023 | ... (October 2023) |
| Black-naped fruit dove | Low | Stub | 2 | August 2025 | ... (August 2025), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Black-striped sparrow | Low | Start | 1 | September 2014 | ... (September 2014) |
| Blue-bellied parrot | Low | Start | 2 | January 2025 | ... (January 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Bob Spear (naturalist) | Low | Start | 2 | March 2012 | Reference cleanup (March 2012), ... (March 2018) |
| Bokmakierie | Mid | Start | 1 | May 2012 | ... (May 2012) |
| Bonin nankeen night heron | Low | Start | 1 | May 2022 | ... (May 2022) |
| Bradley C. Livezey | Low | Start | 1 | February 2011 | ... (February 2011) |
| Brazilian merganser | Low | Start | 3 | January 2009 | ... (January 2009), Unsourced passages need footnotes {{citation needed}} (June 2009), Dead external links {{dead link}} (November 2016) |
| Bronzewing pigeon | Low | Start | 1 | March 2013 | ... (March 2013) |
| Brown wood owl | Low | Start | 1 | November 2019 | ... (November 2019) |
| Brown-backed parrotlet | Low | Start | 3 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012), ... (January 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Budgerigar colour genetics | Low | Start | 2 | February 2008 | ... (February 2008, July 2023) |
| Buller's shearwater | Low | C | 2 | January 2009 | ... (January 2009), Factual verification needed (January 2009) |
| Burhou | Mid | Start | 1 | July 2022 | ... (July 2022) |
| California gnatcatcher | Low | Start | 1 | February 2025 | ... (February 2025) |
| California least tern | Low | C | 1 | April 2024 | ... (April 2024) |
| Canary Islands oystercatcher | Low | B | 2 | May 2020 | ... (May 2020), Unsourced passages need footnotes {{citation needed}} (July 2025) |
| Canastero | Mid | Stub | 1 | August 2019 | ... (August 2019) |
| Cape gannet | Low | Start | 1 | October 2025 | ... (October 2025) |
| Cape spurfowl | Low | Stub | 1 | April 2011 | ... (April 2011) |
| Carib grackle | Low | Start | 1 | March 2022 | ... (March 2022) |
| Carl Eduard Hellmayr | Low | Stub | 1 | February 2026 | ... (February 2026) |
| Carl Euler | Low | Stub | 1 | January 2025 | ... (January 2025) |
| Carolina chickadee | Low | Start | 1 | October 2013 | ... (October 2013) |
| Cassin's vireo | Low | Start | 1 | August 2020 | ... (August 2020) |
| Cathartiformes | Low | Stub | 2 | May 2019 | Failed verification (May 2019), ... (October 2024) |
| Charles Parzudaki | Low | Start | 1 | June 2025 | ... (June 2025) |
| Charlie (parrot) | Low | Stub | 1 | March 2011 | ... (March 2011) |
| Chester Albert Reed | Low | Start | 1 | August 2025 | ... (August 2025) |
| Chestnut-backed tanager | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Chicken tractor | Low | Start | 1 | April 2009 | ... (April 2009) |
| Cinclodes | Mid | Stub | 1 | August 2017 | ... (August 2017) |
| Cinereous bunting | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Cinnamon bird | Mid | Start | 1 | June 2023 | ... (June 2023) |
| Claude Chappuis | Unknown | Start | 1 | November 2025 | ... (November 2025) |
| Clay-colored sparrow | Low | Start | 2 | September 2024 | ... (September 2024), Reorganization needed (September 2024) |
| Colibri del Sol Bird Reserve | Low | Stub | 1 | August 2022 | ... (August 2022) |
| Collosogavis | Low | Stub | 3 | February 2026 | Missing taxobox, CS1 errors: access-date without URL, ... (February 2026) |
| Covert feather | Mid | Start | 1 | May 2018 | ... (May 2018) |
| Crimson-collared grosbeak | Low | Start | 2 | February 2023 | Reference cleanup (February 2023), ... (February 2023) |
| Croaking cisticola | Low | Stub | 1 | December 2022 | ... (December 2022) |
| Crypsirina | Mid | Stub | 1 | January 2013 | ... (January 2013) |
| Curassow | Mid | Start | 1 | January 2013 | ... (January 2013) |
| Damara red-billed hornbill | Low | Stub | 1 | May 2018 | ... (May 2018) |
| David B. Wingate (BLP) | Low | Stub | 1 | February 2013 | ... (February 2013) |
| Dawn Whyatt Frith (BLP) | Low | Start | 2 | June 2017 | BLP articles lacking sources (June 2017), ... (June 2017) |
| Denis A. Saunders (BLP) | Low | Stub | 1 | April 2009 | ... (April 2009) |
| Domestic guinea fowl | Low | Start | 1 | October 2008 | ... (October 2008) |
| Domesticated quail | Mid | Start | 4 | January 2016 | Unsourced passages need footnotes {{More citations needed}} (January 2016), ... (January 2016), Cleanup needed (February 2019, February 2019) |
| Double-striped thick-knee | Low | Start | 1 | August 2014 | ... (August 2014) |
| Eastern black-eared wheatear | Low | Stub | 1 | May 2022 | ... (May 2022) |
| Eastern yellow robin | Low | Start | 1 | August 2025 | ... (August 2025) |
| Elegant sunbird | Low | Stub | 2 | February 2026 | Unsourced passages need footnotes {{More citations needed}} (February 2026), ... (February 2026) |
| Elsie Naumburg | Low | Stub | 1 | August 2022 | ... (August 2022) |
| Euphagus | Mid | Stub | 1 | January 2017 | ... (January 2017) |
| Falconry training and technique | Low | C | 3 | October 2018 | Clarification needed (October 2018), ... (September 2020), Categories needed (August 2025) |
| Finnstick | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Galliformes | Top | C | 5 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010), Unsourced passages need footnotes {{citation needed}} (September 2012, June 2025), ... (November 2015), Incomplete citations (April 2022) |
| Goldie (eagle) | Low | Stub | 1 | June 2020 | ... (June 2020) |
| Gordon Beruldsen | Low | Stub | 3 | July 2024 | Notability unclear (July 2024), ... (July 2024), Cites unreliable sources (July 2024) |
| Gray-headed kite | Low | Start | 1 | October 2015 | ... (October 2015) |
| Great argus | Mid | C | 4 | January 2021 | Unsourced passages need footnotes {{citation needed}} (January 2021, February 2025), ... (October 2023), Cleanup needed (December 2025) |
| Great skua | Low | Start | 3 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025), ... (August 2025), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Great thrush | Low | Stub | 1 | November 2016 | ... (November 2016) |
| Greater kestrel | Low | Start | 1 | July 2023 | ... (July 2023) |
| Green junglefowl | Low | Start | 1 | November 2019 | ... (November 2019) |
| Grey-capped warbler | Mid | Start | 1 | February 2021 | ... (February 2021) |
| Grey-headed parakeet | Low | Start | 2 | July 2025 | ... (July 2025), Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Handbook of Australian, New Zealand and Antarctic Birds | Low | Stub | 1 | September 2015 | ... (September 2015) |
| Hans Christian Cornelius Mortensen | Low | Stub | 1 | May 2025 | ... (May 2025) |
| Hawaiʻi ʻākepa | Low | Start | 2 | March 2017 | ... (March 2017), Unsourced passages need footnotes {{More citations needed}} (September 2024) |
| Helmeted guinea fowl | Low | Start | 2 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009), ... (July 2020) |
| Helmut Sick | Low | Stub | 2 | December 2019 | Unsourced passages need footnotes {{More citations needed}} (December 2019), ... (January 2025) |
| Henry H. Slater | Low | Stub | 1 | September 2015 | ... (September 2015) |
| Henry Lawrie Bell | Low | Stub | 2 | February 2023 | Notability unclear (February 2023), ... (February 2023) |
| Herbert Thomas Condon | Low | Stub | 1 | September 2019 | ... (September 2019) |
| Hornero | Mid | Stub | 1 | April 2009 | ... (April 2009) |
| Indian swiftlet | Low | Start | 1 | February 2023 | ... (February 2023) |
| Izumi crane migration grounds | Low | Start | 1 | March 2020 | ... (March 2020) |
| Jack Vincent | Low | Start | 1 | October 2023 | ... (October 2023) |
| James L. Peters | Low | Stub | 1 | January 2026 | ... (January 2026) |
| Jessie Maye Smith | Low | Start | 1 | November 2014 | ... (November 2014) |
| Johan Dalgas Frisch | Low | Start | 1 | June 2024 | ... (June 2024) |
| John Charles Phillips | Low | Start | 2 | February 2017 | ... (February 2017), Incomplete lists (March 2017) |
| Juan Ignacio Molina | Low | Start | 2 | April 2022 | Unsourced passages need footnotes {{citation needed}} (April 2022), ... (April 2022) |
| Latham's snipe | Low | Start | 1 | April 2025 | ... (April 2025) |
| Laughing owl | Mid | B | 1 | October 2017 | ... (October 2017) |
| List of Important Bird Areas in Armenia | Low | List | 1 | October 2017 | ... (October 2017) |
| List of Late Quaternary prehistoric bird species | Low | List | 1 | January 2016 | ... (January 2016) |
| List of birds of Europe | Mid | List | 1 | September 2020 | ... (September 2020) |
| List of birds of Seychelles | Low | List | 2 | March 2020 | Dead external links {{dead link}} (March 2020), ... (May 2021) |
| List of birds of South Asia | Low | List | 1 | February 2008 | ... (February 2008) |
| List of birds of South India | Low | List | 1 | August 2020 | ... (August 2020) |
| List of birds of South Korea | Low | List | 1 | February 2008 | ... (February 2008) |
| List of birds of São Tomé and Príncipe | Low | List | 1 | September 2024 | ... (September 2024) |
| List of birds of Vieques | Low | List | 1 | July 2010 | ... (July 2010) |
| List of birds of the Bounty Islands | Low | List | 1 | June 2022 | ... (June 2022) |
| List of birds of the British Antarctic Territory | Low | List | 1 | May 2022 | ... (May 2022) |
| List of extinct bird species since 1500 | High | List | 3 | January 2018 | Dead external links {{dead link}} (January 2018), CS1 errors: missing title, ... (January 2022) |
| List of procellariids | Low | List | 1 | August 2009 | ... (August 2009) |
| Lord Derby's parakeet | Mid | Start | 2 | June 2017 | Unsourced passages need footnotes {{citation needed}} (June 2017), ... (July 2025) |
| Louis L. Mowbray | Low | Start | 1 | February 2013 | ... (February 2013) |
| Madrasi Highflyer | Low | Stub | 1 | December 2022 | ... (December 2022) |
| Malachite kingfisher | Low | Start | 1 | July 2025 | ... (July 2025) |
| Mendijur Ornithological Park | Low | Stub | 2 | March 2025 | Coordinates needed, ... (March 2025) |
| Messelirrisor | Low | Stub | 2 | January 2021 | ... (January 2021), Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Mick Rogers (wildlife warden) | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Mountain plover | Low | Start | 1 | March 2016 | ... (March 2016) |
| Myrtle warbler | Low | Start | 1 | October 2024 | ... (October 2024) |
| New Caledonian nightjar | Low | Stub | 2 | February 2026 | Unsourced passages need footnotes {{More citations needed}} (February 2026), ... (February 2026) |
| New Zealand owlet-nightjar | Low | Start | 1 | October 2024 | ... (October 2024) |
| New Zealand pipit | Low | C | 2 | September 2025 | ... (September 2025), Unsourced passages need footnotes {{More citations needed}} (September 2025) |
| Nicolas Day (BLP) | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Norman Joseph Favaloro | Mid | Stub | 1 | October 2024 | ... (October 2024) |
| Northern pied babbler | Low | Stub | 1 | August 2017 | ... (August 2017) |
| Nēnē-nui | Low | Start | 1 | June 2011 | ... (June 2011) |
| Ocean Grove Nature Reserve | Low | Start | 1 | January 2020 | ... (January 2020) |
| Ocellated turkey | Low | C | 1 | November 2024 | ... (November 2024) |
| Odontopteryx | Low | C | 5 | August 2009 | ... (August 2009), Factual verification needed (August 2009, September 2009), Dead external links {{dead link}} (March 2018, May 2019) |
| Oliver Michael Griffiths Newman (BLP) | Low | Stub | 1 | May 2021 | ... (May 2021) |
| Oscaravis | Low | Stub | 2 | November 2012 | Weasel-worded phrases (November 2012), ... (November 2022) |
| Pacific wren | Low | Start | 1 | October 2010 | ... (October 2010) |
| Patagioenas | Mid | Start | 1 | November 2009 | ... (November 2009) |
| Peaceful dove | Low | Start | 1 | September 2024 | ... (September 2024) |
| Pennant-winged nightjar | Low | Start | 1 | April 2022 | ... (April 2022) |
| Peter Lansdown (BLP) | Low | Stub | 2 | May 2024 | ... (May 2024), BLP articles lacking sources (May 2024) |
| Phoebetria | Mid | C | 2 | April 2009 | ... (April 2009), Dead external links {{dead link}} (November 2024) |
| Pierce Brodkorb | Low | Start | 3 | July 2017 | Unsourced passages need footnotes {{citation needed}} (July 2017), Unsourced passages need footnotes {{More citations needed}} (July 2017), ... (July 2017) |
| Plain-breasted hawk | Low | C | 2 | September 2009 | ... (September 2009), Unsourced passages need footnotes {{More citations needed}} (April 2016) |
| Plush-crested jay | Low | Start | 2 | May 2024 | ... (May 2024), Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Project Pigeon | Low | Start | 1 | May 2017 | ... (May 2017) |
| Puffleg | Mid | Start | 1 | August 2024 | ... (August 2024) |
| Raiatea parakeet | Low | Start | 1 | April 2020 | ... (April 2020) |
| Ramsar Convention | Mid | C | 1 | October 2017 | ... (October 2017) |
| Red phalarope | Low | Start | 2 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026), ... (January 2026) |
| Red-bellied woodpecker | Low | C | 2 | October 2023 | ... (October 2023), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Red-billed hornbill | Low | Start | 1 | May 2018 | ... (May 2018) |
| Red-faced warbler | Low | Start | 2 | August 2025 | Dead external links {{dead link}} (August 2025), ... (August 2025) |
| Red-kneed dotterel | Mid | Start | 2 | October 2010 | Unsourced passages need footnotes {{citation needed}} (October 2010), ... (July 2016) |
| Red-tailed amazon | Mid | Start | 4 | January 2009 | ... (January 2009), Unsourced passages need footnotes {{citation needed}} (January 2009), Dead external links {{dead link}} (February 2019, April 2019) |
| Rosy-faced lovebird colour genetics | Low | Start | 1 | July 2023 | ... (July 2023) |
| Roy Percy Cooper | Low | Stub | 2 | November 2014 | ... (November 2014), Unsourced passages need footnotes {{More citations needed}} (November 2014) |
| Royal Australasian Ornithologists Union | Low | B | 1 | November 2010 | ... (November 2010) |
| Ruddy kingfisher | Low | Start | 1 | November 2019 | ... (November 2019) |
| Rufous-and-white wren | Low | Start | 1 | August 2019 | ... (August 2019) |
| Rufous-breasted hermit | Low | Start | 2 | April 2009 | ... (April 2009), Dead external links {{dead link}} (November 2025) |
| Rufous-thighed hawk | Low | C | 2 | September 2009 | ... (September 2009), Unsourced passages need footnotes {{More citations needed}} (April 2016) |
| Rusty blackbird | Low | Start | 2 | September 2014 | ... (September 2014), Unsourced passages need footnotes {{citation needed}} (March 2025) |
| Rüppell's korhaan | Low | Start | 3 | January 2022 | ... (January 2022), Unsourced passages need footnotes {{citation needed}} (December 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Salim Ali's swift | Low | Stub | 2 | October 2011 | ... (October 2011), Unsourced passages need footnotes {{More citations needed}} (November 2011) |
| Samar hornbill | Low | Stub | 1 | November 2018 | ... (November 2018) |
| Scaly thrush | Low | Start | 1 | March 2019 | ... (March 2019) |
| Scaly-naped pigeon | Low | Stub | 1 | November 2010 | ... (November 2010) |
| Seedeater | Low | Start | 1 | October 2023 | ... (October 2023) |
| Seram masked owl | Low | Stub | 1 | February 2023 | ... (February 2023) |
| Shining honeycreeper | Low | Stub | 1 | May 2010 | ... (May 2010) |
| Sichuan partridge | Low | Start | 1 | November 2021 | ... (November 2021) |
| Solid white (chicken plumage) | Low | C | 2 | June 2014 | ... (June 2014), Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Songar tit | Low | Start | 1 | December 2022 | ... (December 2022) |
| South Australian Ornithological Association | Low | Start | 1 | January 2017 | ... (January 2017) |
| Southern carmine bee-eater | Low | Start | 2 | September 2010 | ... (September 2010), Unsourced passages need footnotes {{More citations needed}} (October 2019) |
| Southern tchagra | Low | Start | 1 | February 2024 | ... (February 2024) |
| Stelgidopteryx | Mid | Stub | 1 | August 2021 | ... (August 2021) |
| Stephanie's astrapia | Low | Stub | 1 | February 2020 | ... (February 2020) |
| Stomach oil | Low | Start | 1 | February 2025 | ... (February 2025) |
| Stripe-throated hermit | Low | Start | 1 | January 2024 | ... (January 2024) |
| Swainson's thrush | Low | Start | 3 | December 2023 | ... (December 2023), Unsourced passages need footnotes {{citation needed}} (March 2025), Dead external links {{dead link}} (July 2025) |
| Syrian woodpecker | Low | Start | 2 | November 2015 | Introduction cleanup (November 2015), ... (November 2015) |
| Takagari | Low | Start | 1 | August 2025 | ... (August 2025) |
| Tambourine dove | Low | Stub | 1 | January 2022 | ... (January 2022) |
| Tarsometatarsus | Low | Start | 2 | May 2023 | Unsourced passages need footnotes {{More citations needed}} (May 2023), ... (May 2023) |
| The Birds of Haiti and the Dominican Republic | Low | Stub | 1 | March 2015 | ... (March 2015) |
| Tim Gallagher (BLP) | Low | Stub | 2 | February 2017 | ... (February 2017), BLP articles lacking sources (February 2017) |
| Tippler | Low | Start | 7 | July 2013 | Unsourced passages need footnotes {{citation needed}} (July 2013, October 2020), Unsourced passages need footnotes {{More citations needed}} (September 2014), ... (September 2014), Clarification needed (January 2015), CS1 errors: missing title, CS1 errors: bare URL |
| Tito Narosky (BLP) | Low | Stub | 4 | August 2015 | Cites unreliable sources (August 2015), Notability unclear (August 2015), ... (August 2015), CS1 errors: periodical ignored |
| Tommy Garnett | Low | Start | 2 | November 2019 | ... (November 2019), Unsourced passages need footnotes {{More citations needed}} (November 2019) |
| Tony Norris | Low | Start | 2 | January 2017 | ... (January 2017), CS1 errors: missing title |
| Torrent duck | Low | Start | 2 | May 2025 | Unsourced passages need footnotes {{More citations needed}} (May 2025), ... (May 2025) |
| Turkey viral hepatitis | Low | Stub | 1 | October 2011 | ... (October 2011) |
| Urdaibai Bird Center | Low | C | 1 | December 2016 | ... (December 2016) |
| Valenticarbo | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Vancouver Canada goose | Low | Stub | 1 | October 2021 | ... (October 2021) |
| Vella Lavella | Low | Start | 2 | December 2024 | ... (December 2024), CS1 errors: ISBN date |
| Vogelkop bowerbird | Low | Start | 1 | October 2023 | ... (October 2023) |
| Wake Island rail | Low | Start | 2 | March 2019 | ... (March 2019), Dead external links {{dead link}} (July 2021) |
| Walther Bacmeister | Low | Start | 1 | September 2015 | ... (September 2015) |
| Warbling antbird | Low | C | 3 | August 2024 | ... (August 2024), Copy edit needed (May 2025), Failed verification (July 2025) |
| Warren Billingsley Hitchcock | Low | Stub | 1 | November 2023 | ... (November 2023) |
| Wattled jacana | Mid | Start | 1 | March 2013 | ... (March 2013) |
| Wattled starling | Mid | Start | 2 | April 2010 | ... (April 2010), Unsourced passages need footnotes {{citation needed}} (October 2011) |
| West Indian whistling duck | Low | Start | 1 | November 2010 | ... (November 2010) |
| Western red-billed hornbill | Low | Stub | 1 | May 2018 | ... (May 2018) |
| White-breasted wood wren | Low | Start | 1 | July 2009 | ... (July 2009) |
| White-faced whistling duck | Low | Start | 2 | March 2013 | ... (March 2013), Unsourced passages need footnotes {{citation needed}} (March 2025) |
| White-plumed honeyeater | Low | C | 3 | January 2017 | Unsourced passages need footnotes {{citation needed}} (January 2017), Clarification needed (January 2025), ... (January 2025) |
| William H. Phelps Jr. | Low | Stub | 1 | March 2021 | ... (March 2021) |
| Wilson's phalarope | Low | Start | 2 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026), ... (January 2026) |
| Winter wren | Low | C | 1 | October 2010 | ... (October 2010) |
| Wire-tailed swallow | Low | Start | 1 | October 2010 | ... (October 2010) |
| Yellow oriole | Low | Start | 1 | March 2022 | ... (March 2022) |
| Yellow-rumped cacique | Low | C | 1 | January 2010 | ... (January 2010) |
| Yellow-winged tanager | Low | Start | 2 | February 2010 | ... (February 2010), Dead external links {{dead link}} (January 2026) |
| Zenaida dove | Low | Start | 2 | November 2010 | ... (November 2010), Dead external links {{dead link}} (August 2025) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Alpine accentor | Low | Start | 1 | June 2025 | ... (June 2025) |
| Beak | High | B | 5 | September 2021 | CS1 errors: missing periodical, ... (September 2021), Accuracy disputes or self-published (May 2023), Dead external links {{dead link}} (October 2023), CS1 errors: ISBN date |
| Black-headed grosbeak | Low | C | 1 | August 2021 | ... (August 2021) |
| Blue-gray gnatcatcher | Low | Start | 1 | April 2021 | ... (April 2021) |
| Bouvet Island | Low | B | 2 | September 2024 | Dead external links {{dead link}} (September 2024), ... (January 2026) |
| Fortescue Marshes | Low | Start | 1 | November 2024 | ... (November 2024) |
| Galliformes | Top | C | 5 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010), Unsourced passages need footnotes {{citation needed}} (September 2012, June 2025), Has general references but lacks inline footnotes (November 2015), ... (April 2022) |
| Great grey owl | Low | C | 4 | August 2022 | Unsourced passages need footnotes {{citation needed}} (August 2022, April 2023, January 2026), ... (January 2023) |
| Hainan peacock-pheasant | Low | Stub | 1 | November 2012 | ... (November 2012) |
| Little spotted kiwi | Low | B | 3 | August 2019 | ... (August 2019), Unsourced passages need footnotes {{citation needed}} (July 2025, October 2025) |
| Lough Foyle | Low | C | 4 | July 2020 | Unsourced passages need footnotes {{citation needed}} (July 2020, November 2025), Articles using infobox body of water without alt bathymetry, ... (April 2022) |
| Nuttall's woodpecker | Low | Start | 3 | June 2012 | Page number citations needed (June 2012), Reference errors, ... (June 2022) |
| Ostrich oil | Low | Start | 2 | October 2024 | CS1 errors: missing title, ... (October 2024) |
| Paraves | High | B | 1 | December 2023 | ... (December 2023) |
| Pecten (biology) | Mid | Stub | 2 | July 2018 | Unsourced passages need footnotes {{More citations needed}} (July 2018), ... (July 2024) |
| Pinyon jay | Mid | B | 4 | April 2021 | Clarification needed (April 2021), Unsourced passages need footnotes {{citation needed}} (August 2024), Cites unreliable sources (August 2024), ... (August 2024) |
| Rodrigues warbler | Low | Stub | 2 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013), ... (November 2013) |
| Rufous hornbill | Low | Start | 1 | November 2024 | ... (November 2024) |
| Suet | Mid | Start | 2 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025), ... (November 2025) |
| Tasmanian emu | Low | Start | 1 | September 2022 | ... (September 2022) |
| Towerkill | Mid | Start | 6 | July 2016 | Unsourced passages need footnotes {{citation needed}} (July 2016, August 2024, January 2025), Vague or ambiguous time (December 2018), ... (January 2025), Cites unreliable sources (January 2025) |
| Tromelin Island | Low | C | 2 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020), ... (July 2020) |
| Variable oystercatcher | Low | Start | 2 | January 2020 | ... (January 2020), Unsourced passages need footnotes {{citation needed}} (August 2022) |
| W. E. Clyde Todd | Low | Stub | 1 | February 2022 | ... (February 2022) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Australasian swamphen | Low | C | 1 | November 2024 | ... (November 2024) |
| Barnacle goose myth | Low | B | 2 | September 2023 | ... (September 2023), Dead external links {{dead link}} (August 2025) |
| Barrington Tops National Park | Low | Start | 2 | October 2016 | Dead external links {{dead link}} (October 2016), ... (August 2021) |
| Bird | Top | FA | 3 | 2022 | Potentially dated statements (2022), ... (January 2025), CS1 errors: ISBN date |
| Bird egg | Mid | Start | 4 | December 2012 | Unsourced passages need footnotes {{citation needed}} (December 2012, February 2021), ... (January 2021), Expansion needed (May 2024) |
| Bird of prey | Top | C | 3 | April 2020 | ... (April 2020), Unsourced passages need footnotes {{citation needed}} (September 2020, June 2024) |
| Black robin | Mid | C | 1 | April 2020 | ... (April 2020) |
| Blue-breasted bee-eater | Low | Start | 1 | October 2018 | ... (October 2018) |
| Boodjamulla National Park | Low | C | 3 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020, June 2022), ... (January 2024) |
| Cape sparrow | Low | FA | 1 | September 2020 | ... (September 2020) |
| Chaco eagle | Low | Start | 1 | November 2022 | ... (November 2022) |
| Chestnut-crested yuhina | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Columbidae | Top | GA | 3 | November 2017 | Unsourced passages need footnotes {{citation needed}} (November 2017, November 2019), ... (July 2025) |
| Common myna | Low | B | 3 | January 2022 | ... (January 2022), Expansion needed (January 2022), Dead external links {{dead link}} (December 2023) |
| Common ostrich | Top | B | 4 | November 2013 | ... (November 2013), Dead external links {{dead link}} (December 2023), CS1 errors: ISBN date, Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Confuciusornis | Mid | B | 3 | December 2018 | ... (December 2018), Unsourced passages need footnotes {{citation needed}} (March 2022), Weasel-worded phrases (March 2022) |
| Crane hawk | Mid | Start | 2 | March 2016 | Vague or ambiguous time (March 2016), ... (April 2024) |
| Crèche (zoology) | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Cultural depictions of ravens | Mid | Start | 5 | November 2009 | Unsourced passages need footnotes {{citation needed}} (November 2009, February 2020, October 2023, November 2025), ... (January 2024) |
| Dalmatian pelican | Low | Start | 1 | September 2024 | ... (September 2024) |
| Domestication of vertebrates | Mid | B | 1 | November 2017 | ... (November 2017) |
| Dromornithidae | Low | C | 4 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013, May 2021), ... (October 2018), Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Edward Grey, 1st Viscount Grey of Fallodon | Low | Start | 3 | October 2020 | Unsourced passages need footnotes {{citation needed}} (October 2020), Factual verification needed (January 2021), ... (January 2021) |
| Egg | High | B | 1 | January 2023 | ... (January 2023) |
| Emu War | Mid | B | 2 | August 2021 | ... (August 2021), Update needed (January 2024) |
| Enantiornithes | High | B | 2 | April 2014 | ... (April 2014), Unsourced passages need footnotes {{citation needed}} (March 2021) |
| Fairy tern | Low | Start | 1 | October 2024 | ... (October 2024) |
| Falconry | High | B | 9 | September 2013 | ... (September 2013), Unsourced passages need footnotes {{citation needed}} (April 2016, April 2024, September 2024, April 2025), Style editing needed (November 2022), Unsourced passages need footnotes {{More citations needed}} (November 2022), Original research (April 2024), Clarification needed (April 2025) |
| Gizzard | Low | Start | 2 | November 2021 | Unsourced passages need footnotes {{citation needed}} (November 2021), ... (January 2025) |
| Golden eagles in human culture | Low | C | 2 | April 2015 | Unsourced passages need footnotes {{citation needed}} (April 2015), ... (September 2024) |
| Great auk | Mid | FA | 1 | January 2025 | ... (January 2025) |
| Great knot | Low | Start | 2 | August 2023 | Potentially dated statements (August 2023), ... (September 2024) |
| Greater roadrunner | Low | Start | 1 | February 2024 | ... (February 2024) |
| Gymnogyps | Low | Stub | 1 | January 2025 | ... (January 2025) |
| Harris's hawk | Low | B | 1 | April 2018 | ... (April 2018) |
| Hibbs Pyramid | Low | Start | 1 | April 2025 | ... (April 2025) |
| Jervis Bay | Low | Start | 5 | February 2015 | ... (February 2015), Articles using infobox body of water without alt bathymetry, Clarification needed (May 2025), Unsourced passages need footnotes {{More citations needed}} (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025) |
| John Gerrard Keulemans | Low | C | 1 | November 2013 | ... (November 2013) |
| John Gould | Low | C | 1 | January 2014 | ... (January 2014) |
| Kagu | High | B | 2 | June 2022 | Disputed statements (June 2022), ... (April 2023) |
| Kangaroo Island | Low | C | 8 | September 2012 | Unsourced passages need footnotes {{citation needed}} (September 2012, June 2014, June 2016, October 2025, December 2025), ... (December 2020), Dead external links {{dead link}} (August 2025), Vague or ambiguous time (October 2025) |
| Kākāriki | Mid | Start | 2 | December 2017 | Dead external links {{dead link}} (December 2017), ... (February 2025) |
| Lek mating | Mid | GA | 1 | February 2024 | ... (February 2024) |
| Long-tailed nightjar | Low | C | 2 | October 2024 | ... (October 2024), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Lyrebird | High | C | 1 | October 2011 | ... (October 2011) |
| Madagascar fish eagle | Low | Start | 1 | May 2011 | ... (May 2011) |
| Mare aux Songes | Low | Start | 2 | September 2012 | ... (September 2012), Expansion needed (June 2013) |
| Masai ostrich | Low | Stub | 1 | October 2021 | ... (October 2021) |
| Nikolaas Tinbergen | Mid | C | 3 | April 2014 | ... (April 2014), Unsourced passages need footnotes {{citation needed}} (November 2015), Dead external links {{dead link}} (May 2025) |
| Nuttall's woodpecker | Low | Start | 3 | June 2012 | ... (June 2012), Reference errors, Incomplete citations (June 2022) |
| Peafowl | Mid | B | 6 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, May 2023, October 2023), Unsourced passages need footnotes {{More citations needed}} (May 2023), Weasel-worded phrases (May 2023), ... (March 2024) |
| Penguin | High | B | 4 | November 2020 | Failed verification (November 2020), ... (November 2021), CS1 errors: ISBN date, Cites unreliable sources (November 2025) |
| Pigeon racing | Low | B | 11 | March 2008 | Unsourced passages need footnotes {{citation needed}} (March 2008, October 2012, May 2017, July 2024), Unsourced passages need footnotes {{More citations needed}} (February 2022, July 2024), Clarification needed (October 2022, July 2024), Cites unreliable sources (July 2024), ... (July 2024), Failed verification (July 2024) |
| Plover | Mid | C | 1 | January 2019 | ... (January 2019) |
| Pouākai | Low | Start | 1 | August 2019 | ... (August 2019) |
| Precociality and altriciality | Mid | Start | 4 | July 2014 | ... (July 2014, December 2025), Unsourced passages need footnotes {{citation needed}} (December 2022, March 2023) |
| Procellaria | Low | Stub | 1 | January 2022 | ... (January 2022) |
| Rare breed | Mid | C | 2 | March 2014 | ... (March 2014), Limited geographic scope (August 2016) |
| Ratite | Top | C | 3 | November 2013 | Unsourced passages need footnotes {{citation needed}} (November 2013, June 2015), ... (January 2022) |
| Red grouse | Low | C | 2 | May 2021 | Unsourced passages need footnotes {{citation needed}} (May 2021), ... (October 2025) |
| Red-winged blackbird | Low | B | 3 | May 2020 | ... (May 2020, March 2021), Accuracy disputes or self-published (May 2020) |
| Rhode Island White | Low | Start | 1 | January 2026 | ... (January 2026) |
| Roadside hawk | Mid | B | 1 | March 2024 | ... (March 2024) |
| Rottnest Island | Low | C | 11 | November 2011 | Unsourced passages need footnotes {{citation needed}} (November 2011, February 2021, April 2022, January 2023, March 2025), Potentially dated statements (June 2016, 2019), CS1 errors: archive-url, Dead external links {{dead link}} (February 2021, October 2022), ... (April 2025) |
| Ruddy duck | Low | C | 1 | October 2024 | ... (October 2024) |
| Rufous-capped antthrush | Low | Stub | 1 | December 2020 | ... (December 2020) |
| Réunion harrier | Low | Start | 2 | April 2025 | Harv and Sfn no-target errors, ... (April 2025) |
| Sanford's sea eagle | Low | Start | 2 | May 2011 | ... (May 2011), CS1 errors: external links |
| Scandaroon pigeon | Low | Stub | 1 | September 2010 | ... (September 2010) |
| Songbird | High | C | 3 | December 2017 | ... (December 2017), Weasel-worded phrases (July 2018), Dead external links {{dead link}} (March 2022) |
| Squab | Mid | B | 9 | July 2011 | ... (July 2011), Unsourced passages need footnotes {{citation needed}} (April 2016, December 2019, March 2021, September 2023), Dead external links {{dead link}} (July 2022, February 2023, August 2023), Weasel-worded phrases (October 2024) |
| Stirling Range | Low | B | 1 | November 2025 | ... (November 2025) |
| Superb lyrebird | Low | C | 2 | January 2018 | Unsourced passages need footnotes {{citation needed}} (January 2018), ... (June 2023) |
| Transmission of hepadnaviruses | Low | C | 3 | March 2011 | Unsourced passages need footnotes {{citation needed}} (March 2011, November 2022), ... (March 2011) |
| Tropical kingbird | Low | Start | 1 | January 2020 | ... (January 2020) |
| Western yellow wagtail | Low | Start | 1 | May 2019 | ... (May 2019) |
| Whistling dove | Low | Start | 1 | July 2025 | ... (July 2025) |
| White stork | Mid | FA | 2 | December 2014 | ... (December 2014), CS1 errors: ISBN date |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Ashmore and Cartier Islands | Low | Start | 3 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020, February 2026), ... (January 2025) |
| Bald eagle | High | FA | 3 | 2007 | Potentially dated statements (2007), Failed verification (December 2025), ... (January 2026) |
| Bob Spear (naturalist) | Low | Start | 2 | March 2012 | ... (March 2012), Has general references but lacks inline footnotes (March 2018) |
| Bohemian Fairy Swallow pigeon | Low | Stub | 2 | February 2022 | Unsourced passages need footnotes {{More citations needed}} (February 2022), ... (September 2023) |
| Cercomacra | Mid | B | 1 | February 2026 | ... (February 2026) |
| Crimson-collared grosbeak | Low | Start | 2 | February 2023 | ... (February 2023), Has general references but lacks inline footnotes (February 2023) |
| Cuban emerald | Low | Start | 1 | December 2025 | ... (December 2025) |
| Cuban nightjar | Low | Start | 1 | December 2025 | ... (December 2025) |
| Diamantina sabrewing | Low | Start | 1 | January 2026 | ... (January 2026) |
| Dot-winged crake | Low | Start | 1 | January 2026 | ... (January 2026) |
| Dusky hummingbird | Low | Start | 1 | February 2026 | ... (February 2026) |
| Harpy eagle | Mid | B | 2 | July 2023 | Clarification needed (July 2023), ... (January 2026) |
| Mountain quail | Mid | Start | 1 | March 2023 | ... (March 2023) |
| Snowy egret | Low | Start | 1 | September 2025 | ... (September 2025) |
| Snowy owl | Mid | C | 5 | October 2017 | Dead external links {{dead link}} (October 2017, January 2026), ... (July 2025), Unsourced passages need footnotes {{citation needed}} (January 2026), Failed verification (January 2026) |
| Struben Dam Bird Sanctuary | Low | Start | 1 | November 2019 | ... (November 2019) |
| Tinaminae | Low | C | 1 | December 2013 | ... (December 2013) |
| Ural owl | Low | B | 1 | September 2025 | ... (September 2025) |
| White-tailed eagle | Mid | B | 3 | September 2025 | Too long (September 2025), ... (November 2025), Dead external links {{dead link}} (December 2025) |
| Willow ptarmigan | Low | GA | 2 | April 2023 | Unsourced passages need footnotes {{citation needed}} (April 2023), ... (January 2026) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| Alexandrine parakeet | Low | Start | 1 | ||
| Cedar waxwing | Low | C | 1 | ||
| Grey junglefowl | Low | C | 1 | ||
| Indochinese roller | Low | Start | 1 | ||
| Nuttall's woodpecker | Low | Start | 3 | June 2012 | Page number citations needed (June 2012), Incomplete citations (June 2022) |
| One Tree Island (Queensland) | Low | Start | 3 | November 2024 | Potentially dated statements (November 2024), Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Orange-breasted falcon | Low | Start | 1 | ||
| Purple roller | Low | Start | 1 | ||
| Purple-winged roller | Low | Stub | 1 | ||
| Racket-tailed roller | Low | Start | 1 | ||
| Sri Lankan junglefowl | Low | Start | 2 | July 2018 | Unsourced passages need footnotes {{citation needed}} (July 2018) |
| Tallest extant birds | Mid | List | 1 | ||
| Watercock | Mid | Stub | 1 | ||
| Wren | High | C | 2 | July 2022 | Unsourced passages need footnotes {{citation needed}} (July 2022) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 1804 in birding and ornithology | Low | List | 1 | December 2022 | ... (December 2022) |
| 1809 in birding and ornithology | Low | List | 1 | November 2024 | ... (November 2024) |
| 1819 in birding and ornithology | Low | List | 1 | January 2021 | ... (January 2021) |
| 1821 in birding and ornithology | Low | List | 1 | October 2023 | ... (October 2023) |
| 1822 in birding and ornithology | Low | List | 2 | February 2024 | CS1 errors: missing periodical, ... (February 2024) |
| 1845 in birding and ornithology | Low | List | 1 | November 2024 | ... (November 2024) |
| 1846 in birding and ornithology | Low | List | 1 | December 2025 | ... (December 2025) |
| 1847 in birding and ornithology | Low | List | 1 | November 2024 | ... (November 2024) |
| 1858 in birding and ornithology | Low | List | 1 | November 2024 | ... (November 2024) |
| 1865 in birding and ornithology | Low | List | 1 | November 2024 | ... (November 2024) |
| 1867 in birding and ornithology | Low | List | 1 | December 2024 | ... (December 2024) |
| 1995 in birding and ornithology | Low | List | 1 | December 2022 | ... (December 2022) |
| 1996 in birding and ornithology | Low | List | 1 | December 2009 | ... (December 2009) |
| 1997 in birding and ornithology | Low | List | 1 | December 2018 | ... (December 2018) |
| 1998 in birding and ornithology | Low | List | 1 | December 2009 | ... (December 2009) |
| 1999 in birding and ornithology | Low | List | 1 | December 2009 | ... (December 2009) |
| 2000 in birding and ornithology | Low | List | 1 | December 2009 | ... (December 2009) |
| 2001 in birding and ornithology | Low | List | 1 | January 2021 | ... (January 2021) |
| 2002 in birding and ornithology | Low | List | 1 | March 2021 | ... (March 2021) |
| 2003 in birding and ornithology | Low | List | 1 | December 2009 | ... (December 2009) |
| 2004 in birding and ornithology | Low | List | 1 | December 2009 | ... (December 2009) |
| 2005 in birding and ornithology | Low | List | 1 | December 2009 | ... (December 2009) |
| Abitusavis | Low | Stub | 1 | August 2021 | ... (August 2021) |
| Acrocephalus kordosi | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Acrocephalus kretzoii | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Acrocephalus major | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Acrocephalus minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Acta Ornithologica | Low | Stub | 1 | June 2007 | ... (June 2007) |
| Aegithalos congruis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Aegithalos gaspariki | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Aiolornis | Low | Start | 1 | April 2022 | ... (April 2022) |
| Alauda tivadari | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Alderney Bird Observatory | Low | Stub | 1 | August 2019 | ... (August 2019) |
| Anabacerthia | Mid | Stub | 1 | August 2019 | ... (August 2019) |
| Anatinae | Mid | Start | 1 | September 2011 | ... (September 2011) |
| Ancient Tumbler | Low | Stub | 1 | October 2024 | ... (October 2024) |
| Andrew J. Grayson | Low | Stub | 1 | February 2024 | ... (February 2024) |
| Andrew Whittaker (ornithologist) (BLP) | Low | Start | 2 | March 2025 | Has general references but lacks inline footnotes (March 2025), ... (March 2025) |
| Anhinga walterbolesi | Low | Stub | 1 | May 2014 | ... (May 2014) |
| Anthony Collett | Low | Start | 2 | August 2014 | Unsourced passages need footnotes {{citation needed}} (August 2014), ... (February 2022) |
| Anthracite budgerigar mutation | Low | Start | 2 | July 2009 | ... (July 2009), Dead external links {{dead link}} (October 2016) |
| Anthus baranensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Antoon Emeric Marcel De Roo | Low | Start | 2 | April 2021 | ... (April 2021), Has general references but lacks inline footnotes (April 2021) |
| Anwaruddin Choudhury (BLP) | Low | C | 6 | October 2016 | Dead external links {{dead link}} (October 2016, November 2018), Unsourced passages need footnotes {{citation needed}} (October 2024, April 2025, May 2025), ... (January 2025) |
| Apus boanoi | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Aquila claudeguerini | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Arthurson Ridge | Low | Stub | 1 | May 2021 | ... (May 2021) |
| Asian koel | Mid | C | 2 | November 2020 | ... (November 2020), CS1 errors: ISBN date |
| Asil chicken | Low | Start | 2 | August 2010 | ... (August 2010), Unsourced passages need footnotes {{citation needed}} (August 2021) |
| Association of European Rarities Committees | Mid | Stub | 1 | October 2016 | ... (October 2016) |
| Audubon Society of Western Pennsylvania | Low | Start | 2 | September 2010 | Promotional tone (September 2010), ... (March 2024) |
| Australian Bird and Bat Banding Scheme | Low | Stub | 1 | February 2018 | ... (February 2018) |
| Australian Field Ornithology | Low | Stub | 3 | 2017 | Potentially dated statements (2017), Notability unclear (September 2022), ... (September 2022) |
| Aviadactyla | Low | Stub | 1 | March 2014 | ... (March 2014) |
| Avian ecology field methods | Mid | Start | 1 | April 2007 | ... (April 2007) |
| Avian foraging | Low | C | 1 | October 2023 | ... (October 2023) |
| Avian sleep | Low | C | 1 | June 2020 | ... (June 2020) |
| Aviraptor | Low | Start | 1 | November 2020 | ... (November 2020) |
| Ayam Kedu | Low | Stub | 2 | August 2014 | ... (August 2014), Unsourced passages need footnotes {{citation needed}} (August 2014) |
| Ayam Pelung | Low | Stub | 1 | November 2011 | ... (November 2011) |
| Azores wood pigeon | Low | Start | 1 | March 2012 | ... (March 2012) |
| Azure-rumped tanager | Low | Stub | 2 | September 2024 | Has general references but lacks inline footnotes (September 2024), ... (September 2024) |
| Balearica | Mid | Stub | 1 | September 2014 | ... (September 2014) |
| Band-rumped storm petrel | Low | Start | 1 | October 2024 | ... (October 2024) |
| Banded kestrel | Low | Start | 1 | May 2025 | ... (May 2025) |
| Banded pitta | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Bannerman's shearwater | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Bantam (poultry) | Mid | Start | 2 | May 2013 | ... (May 2013), Unsourced passages need footnotes {{citation needed}} (May 2020) |
| Bardsey Bird and Field Observatory | Low | Stub | 1 | May 2014 | ... (May 2014) |
| Barry (owl) | Low | Stub | 2 | February 2024 | ... (February 2024), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Bathoceleus hyphalus | Low | Stub | 2 | June 2010 | ... (June 2010), Unsourced passages need footnotes {{citation needed}} (June 2010) |
| Bean goose | Low | Start | 4 | April 2011 | Expansion needed (April 2011), ... (August 2024), Unsourced passages need footnotes {{citation needed}} (August 2024, September 2024) |
| Bernhard Meyer | Low | Stub | 1 | May 2023 | ... (May 2023) |
| Bertel Bruun | Low | Start | 1 | September 2011 | ... (September 2011) |
| Bijeljina Roller | Low | Stub | 1 | June 2024 | ... (June 2024) |
| Binoculars | Mid | C | 2 | July 2022 | Unsourced passages need footnotes {{citation needed}} (July 2022), ... (July 2025) |
| Bird anatomy | Top | B | 4 | September 2018 | ... (September 2018), Clarification needed (April 2021), CS1 errors: ISBN date, Unsourced passages need footnotes {{citation needed}} (February 2026) |
| Bird bath | Mid | Start | 2 | September 2017 | Cleanup needed (September 2017), ... (July 2023) |
| Bird control | Low | Stub | 3 | December 2009 | ... (December 2009), CS1 errors: generic name, Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Bird flight | Top | C | 3 | April 2009 | Unsourced passages need footnotes {{citation needed}} (April 2009), Dead external links {{dead link}} (February 2019), ... (April 2020) |
| Bird rarities committee | Mid | Stub | 1 | December 2023 | ... (December 2023) |
| Bird scarer | Low | Start | 3 | June 2009 | ... (June 2009), Has general references but lacks inline footnotes (June 2009), Unsourced passages need footnotes {{citation needed}} (November 2017) |
| BirdLife Malta | Low | Stub | 2 | November 2010 | Cites unreliable sources (November 2010), ... (November 2010) |
| BirdNote | Low | Start | 4 | December 2024 | External link cleanup {{external links}} (December 2024), Introduction cleanup (January 2025), Has general references but lacks inline footnotes (January 2025), ... (January 2025) |
| Birding Business | Low | Stub | 1 | December 2012 | ... (December 2012) |
| Birdland Park and Gardens | Low | Start | 1 | April 2023 | ... (April 2023) |
| Birds Australia – Victoria | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Birds Canada | Low | Stub | 1 | August 2014 | ... (August 2014) |
| Birds Directive | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Birds of North American boreal forests | Low | List | 1 | April 2024 | ... (April 2024) |
| Birdwatch (magazine) | Low | Stub | 1 | May 2011 | ... (May 2011) |
| Black francolin | Low | Start | 2 | September 2020 | ... (September 2020, June 2023) |
| Black grouse | Mid | Start | 2 | September 2010 | ... (September 2010), Unsourced passages need footnotes {{citation needed}} (October 2020) |
| Black mamo | Low | Stub | 1 | January 2009 | ... (January 2009) |
| Black wood pigeon | Mid | C | 1 | September 2012 | ... (September 2012) |
| Black-bellied myzomela | Low | Stub | 2 | May 2024 | Unsourced passages need footnotes {{citation needed}} (May 2024), ... (October 2024) |
| Black-billed sicklebill | Low | Stub | 1 | October 2025 | ... (October 2025) |
| Black-naped fruit dove | Low | Stub | 2 | August 2025 | Has general references but lacks inline footnotes (August 2025), ... (August 2025) |
| Black-throated prinia | Low | Stub | 1 | March 2020 | ... (March 2020) |
| Blasius Merrem | Low | Stub | 1 | July 2013 | ... (July 2013) |
| Blue eared pheasant | Low | Start | 2 | May 2025 | ... (May 2025), Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Blue-bellied parrot | Low | Start | 2 | January 2025 | Has general references but lacks inline footnotes (January 2025), ... (January 2025) |
| Boatswain Bird Island | Low | Stub | 2 | May 2020 | Unsourced passages need footnotes {{citation needed}} (May 2020), ... (October 2022) |
| Bohemian Fairy Swallow pigeon | Low | Stub | 2 | February 2022 | ... (February 2022), Reference cleanup (September 2023) |
| Bombycilla brevia | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Bombycilla kubinyii | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Brabanter | Low | C | 1 | August 2014 | ... (August 2014) |
| Breeding bird survey | Low | Start | 1 | July 2009 | ... (July 2009) |
| Brevidentavis | Low | Stub | 1 | January 2022 | ... (January 2022) |
| British Hen Welfare Trust | Low | Start | 1 | June 2009 | ... (June 2009) |
| British Ornithologists' Union checklists | Low | List | 1 | September 2025 | ... (September 2025) |
| Brown falcon | Low | Start | 1 | May 2016 | ... (May 2016) |
| Brown-backed parrotlet | Low | Start | 3 | January 2012 | Unsourced passages need footnotes {{citation needed}} (January 2012), Has general references but lacks inline footnotes (January 2025), ... (January 2025) |
| Bullock's oriole | Low | Start | 2 | February 2021 | Unsourced passages need footnotes {{citation needed}} (February 2021), ... (February 2021) |
| Bulwer's pheasant | Low | Start | 1 | November 2011 | ... (November 2011) |
| Buteo chimborazoensis | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Cacatuini | Mid | Stub | 1 | December 2012 | ... (December 2012) |
| Calandrella gali | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Candling | Low | C | 2 | May 2014 | Unsourced passages need footnotes {{citation needed}} (May 2014), ... (June 2014) |
| Cape May Bird Observatory | Low | Start | 1 | November 2016 | ... (November 2016) |
| Capillaria philippinensis | Low | Start | 2 | March 2025 | Unsourced passages need footnotes {{citation needed}} (March 2025), ... (March 2025) |
| Capitonides | Low | Stub | 1 | October 2015 | ... (October 2015) |
| Carduelis kretzoii | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Carduelis lambrechti | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Carduelis medius | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Carduelis parvulus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Carolina Bird Club | Low | Stub | 1 | May 2015 | ... (May 2015) |
| Casuariiformes | Mid | Start | 2 | August 2019 | Weasel-worded phrases (August 2019), ... (August 2025) |
| Caucasian snowcock | Low | Stub | 1 | March 2020 | ... (March 2020) |
| Celericolius | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Centrocercus | Mid | Start | 2 | May 2015 | ... (May 2015), Unsourced passages need footnotes {{citation needed}} (January 2022) |
| Certhia immensa | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Cerulean Warbler Bird Reserve | Low | Stub | 1 | December 2022 | ... (December 2022) |
| Cettia janossyi | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Cettia kalmani | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Charadriiformes | Top | Start | 1 | June 2021 | ... (June 2021) |
| Charles Foster Batchelder | Low | Start | 1 | March 2024 | ... (March 2024) |
| Charles S. Thompson (ornithologist) | Low | Start | 2 | October 2020 | Notability unclear (October 2020), ... (October 2020) |
| Chestnut-headed oropendola | Low | Stub | 2 | March 2012 | ... (March 2012), Unsourced passages need footnotes {{citation needed}} (June 2025) |
| Chickenhawk (bird) | Low | Start | 1 | September 2013 | ... (September 2013) |
| Chloropeta | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Chlorophoneus | Mid | Stub | 1 | December 2018 | ... (December 2018) |
| Chlorostilbon | Mid | Stub | 1 | January 2021 | ... (January 2021) |
| Christian Jouanin | Low | Start | 1 | May 2010 | ... (May 2010) |
| Christmas Bird Count | Mid | Start | 2 | August 2018 | ... (August 2018), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Cinclus gaspariki | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Cinclus minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Circaetinae | Mid | Stub | 1 | December 2009 | ... (December 2009) |
| Citron-crested cockatoo | Mid | Start | 1 | November 2013 | ... (November 2013) |
| Clive Minton | Low | Start | 1 | December 2019 | ... (December 2019) |
| Coccothraustes major | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Cockatiel colour genetics | Low | C | 1 | July 2008 | ... (July 2008) |
| Cockfighting | Mid | C | 7 | June 2020 | Unsourced passages need footnotes {{citation needed}} (June 2020, January 2022, May 2024), Potentially dated statements (2023), ... (May 2024), Dead external links {{dead link}} (November 2024, June 2025) |
| Coffin Bay National Park | Low | Start | 2 | February 2014 | ... (February 2014), Dead external links {{dead link}} (December 2017) |
| Colima pygmy owl | Low | Stub | 1 | May 2025 | ... (May 2025) |
| Colin Watson (egg collector) | Low | Start | 1 | January 2026 | ... (January 2026) |
| Collared crow | Low | Start | 1 | September 2024 | ... (September 2024) |
| Common green magpie | Low | Start | 1 | July 2017 | ... (July 2017) |
| Common kingfisher | Low | B | 2 | January 2021 | Unsourced passages need footnotes {{citation needed}} (January 2021), ... (January 2021) |
| Common ringed plover | Low | C | 1 | September 2025 | ... (September 2025) |
| Companion parrot | Mid | Start | 2 | September 2010 | ... (September 2010), Vague or ambiguous time (June 2023) |
| Conure | Mid | Start | 1 | June 2009 | ... (June 2009) |
| Convention on the Conservation of Migratory Species of Wild Animals | Low | Start | 1 | February 2017 | ... (February 2017) |
| Coot | Mid | Start | 1 | July 2010 | ... (July 2010) |
| Copper-tailed starling | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Cora Hartshorn Arboretum and Bird Sanctuary | Low | Start | 1 | October 2020 | ... (October 2020) |
| Cormorant | High | C | 9 | November 2007 | Factual verification needed (November 2007), Unsourced passages need footnotes {{citation needed}} (June 2016, July 2018, May 2020, October 2020, September 2024), Update needed (June 2023), Cites unreliable sources (September 2024), ... (November 2024) |
| Corvitalusoides | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), Unsourced passages need footnotes {{citation needed}} (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), ... (October 2020), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| Cosmo (parrot) | Low | Stub | 1 | May 2015 | ... (May 2015) |
| Creance | Low | Stub | 1 | January 2021 | ... (January 2021) |
| Crescent-chested warbler | Low | C | 1 | September 2024 | ... (September 2024) |
| Crested myna | Low | Start | 1 | November 2019 | ... (November 2019) |
| Crested partridge | Low | Stub | 1 | April 2018 | ... (April 2018) |
| Cretzschmar's bunting | Low | Start | 1 | September 2024 | ... (September 2024) |
| Crimson shining parrot | Low | Start | 1 | September 2024 | ... (September 2024) |
| Crinkle-collared manucode | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Cuckoo | High | C | 2 | January 2019 | ... (January 2019), Unsourced passages need footnotes {{citation needed}} (November 2019) |
| Cultural depictions of penguins | Low | Start | 4 | May 2011 | ... (May 2011), Unsourced passages need footnotes {{citation needed}} (May 2011), Clarification needed (May 2011), Accuracy disputes or self-published (March 2022) |
| Daffy Duck | Low | C | 1 | December 2020 | ... (December 2020) |
| Dailey Islands | Low | Stub | 1 | January 2025 | ... (January 2025) |
| Dark-rumped swift | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Daurian jackdaw | Low | Start | 1 | January 2026 | ... (January 2026) |
| Daurian partridge | Low | Start | 2 | September 2017 | ... (September 2017), Unsourced passages need footnotes {{citation needed}} (October 2020) |
| Decoy | Low | C | 2 | December 2010 | Limited geographic scope (December 2010), ... (August 2022) |
| Deep Play: Notes on the Balinese Cockfight | Low | Start | 5 | June 2011 | ... (June 2011), Cites unreliable sources (May 2024), Weasel-worded phrases (May 2024), Introduction cleanup (May 2024), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Delichon major | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Delichon polgardiensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Delichon pusillus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Derek Goodwin | Mid | Start | 1 | March 2021 | ... (March 2021) |
| Dickcissel | Low | Start | 1 | January 2011 | ... (January 2011) |
| Dinocrypturi | Low | Stub | 1 | September 2025 | ... (September 2025) |
| Diseases of Canaries | Low | Stub | 2 | November 2018 | ... (November 2018), CS1 errors: ISBN date |
| Domestic Muscovy duck | Low | Start | 2 | November 2016 | ... (November 2016), Unsourced passages need footnotes {{citation needed}} (March 2025) |
| Domestic pigeon | Low | C | 7 | July 2019 | Accuracy disputes or self-published (July 2019, April 2023), Dead external links {{dead link}} (September 2024), Unsourced passages need footnotes {{citation needed}} (March 2025), ... (March 2025), Clarification needed (January 2026), Weasel-worded phrases (January 2026) |
| Domestic turkey | Low | C | 8 | September 2008 | Unsourced passages need footnotes {{citation needed}} (September 2008, April 2011, November 2011, November 2015, January 2021, August 2025), Dead external links {{dead link}} (December 2016), ... (August 2025) |
| Domesticated quail | Mid | Start | 4 | January 2016 | ... (January 2016), Has general references but lacks inline footnotes (January 2016), Cleanup needed (February 2019, February 2019) |
| Doria's hawk | Low | Stub | 2 | January 2020 | ... (January 2020), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Double-collared seedeater | Low | Stub | 1 | October 2009 | ... (October 2009) |
| Dovecote | Low | C | 3 | September 2016 | ... (September 2016, September 2025), Unsourced passages need footnotes {{citation needed}} (August 2018) |
| Dovecote, Angle | Low | Stub | 1 | June 2014 | ... (June 2014) |
| Dromornithidae | Low | C | 4 | September 2013 | Unsourced passages need footnotes {{citation needed}} (September 2013, May 2021), Page number citations needed (October 2018), ... (May 2024) |
| Duck | High | C | 3 | February 2020 | Accuracy disputes or self-published (February 2020, February 2020), ... (October 2024) |
| Duck hepatitis virus | Low | Start | 1 | January 2020 | ... (January 2020) |
| Duck pond | Low | Start | 1 | April 2023 | ... (April 2023) |
| Dull-blue flycatcher | Low | Stub | 1 | January 2017 | ... (January 2017) |
| Dunhuangia | Low | Start | 1 | July 2017 | ... (July 2017) |
| Dusky grasswren | Low | C | 3 | December 2024 | Original research (December 2024), ... (December 2024), Weasel-worded phrases (December 2024) |
| Eagle | High | C | 3 | July 2016 | ... (July 2016), Unsourced passages need footnotes {{citation needed}} (June 2024), Weasel-worded phrases (June 2024) |
| Ear tuft | Low | Start | 1 | September 2017 | ... (September 2017) |
| Eastern cattle egret | Low | C | 1 | May 2020 | ... (May 2020) |
| Edward Grey Institute of Field Ornithology | Mid | Start | 2 | July 2014 | ... (July 2014), Unsourced passages need footnotes {{citation needed}} (August 2015) |
| Edward Youde Aviary | Low | Start | 1 | May 2012 | ... (May 2012) |
| Egg Collecting and Bird Life of Australia | Low | Start | 1 | July 2025 | ... (July 2025) |
| Egg binding | Low | Stub | 1 | February 2018 | ... (February 2018) |
| Egret | Mid | Start | 1 | February 2022 | ... (February 2022) |
| Elegant sunbird | Low | Stub | 2 | February 2026 | ... (February 2026), Has general references but lacks inline footnotes (February 2026) |
| Emberiza gaspariki | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Emberiza media | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Emberiza pannonica | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Emberiza parva | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Emberiza polgardiensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Empress of Germany's bird of paradise | Low | Stub | 1 | August 2015 | ... (August 2015) |
| Enderby Island | Low | C | 1 | November 2021 | ... (November 2021) |
| Eremophila (bird) | Mid | Stub | 1 | September 2014 | ... (September 2014) |
| Erithacus minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Ernst Hartert | Low | Start | 1 | September 2014 | ... (September 2014) |
| Eugene Eisenmann | Low | Start | 2 | September 2018 | ... (September 2018), Unsourced passages need footnotes {{citation needed}} (September 2018) |
| European herring gull | Mid | B | 3 | September 2014 | ... (September 2014), Unsourced passages need footnotes {{citation needed}} (June 2023), CS1 errors: ISBN date |
| European shag | High | C | 2 | April 2020 | ... (April 2020), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Explorornis | Low | Stub | 1 | September 2015 | ... (September 2015) |
| Eyre Creek (New Zealand) | Low | Stub | 1 | May 2025 | ... (May 2025) |
| Falconry | High | B | 9 | September 2013 | Page number citations needed (September 2013), Unsourced passages need footnotes {{citation needed}} (April 2016, April 2024, September 2024, April 2025), Style editing needed (November 2022), ... (November 2022), Original research (April 2024), Clarification needed (April 2025) |
| Fan-tailed raven | Low | Start | 1 | February 2026 | ... (February 2026) |
| Faroese goose | Low | Start | 1 | December 2015 | ... (December 2015) |
| Feather duster | Low | B | 1 | September 2009 | ... (September 2009) |
| Feral chicken | Low | Stub | 1 | July 2015 | ... (July 2015) |
| Feral parrot | Low | Start | 3 | December 2014 | Introduction cleanup (December 2014), ... (March 2020), Dead external links {{dead link}} (May 2025) |
| Fischer's lovebird | Mid | Start | 1 | October 2008 | ... (October 2008) |
| Flamingo Gardens | Low | Start | 1 | May 2018 | ... (May 2018) |
| Flight Identification of Raptors of Europe, North Africa and the Middle East | Low | Start | 1 | January 2021 | ... (January 2021) |
| Fogg Dam Conservation Reserve | Low | Stub | 1 | June 2019 | ... (June 2019) |
| Foshanornis | Low | Stub | 1 | January 2026 | ... (January 2026) |
| Franklin's grouse | Low | Stub | 1 | March 2025 | ... (March 2025) |
| François Victor Masséna | Low | Stub | 1 | January 2021 | ... (January 2021) |
| Frederik Faber | Unknown | Start | 1 | September 2024 | ... (September 2024) |
| Freycinet Island | Low | Stub | 1 | April 2025 | ... (April 2025) |
| Fringilla kormosi | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Fringilla petenyii | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Furnished cage | Mid | C | 2 | May 2020 | ... (May 2020), Unsourced passages need footnotes {{citation needed}} (May 2020) |
| Ga Noi | Mid | Stub | 1 | August 2022 | ... (August 2022) |
| Galapagos hawk | Low | Start | 1 | March 2022 | ... (March 2022) |
| Galapagos penguin | Low | Start | 6 | November 2023 | CS1 errors: requires URL, ... (November 2023), Failed verification (May 2025), Cites unreliable sources (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025), Vague or ambiguous time (January 2026) |
| Galatz Roller | Low | Stub | 1 | November 2024 | ... (November 2024) |
| Galerida pannonica | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Galliformes | Top | C | 5 | December 2010 | ... (December 2010), Unsourced passages need footnotes {{citation needed}} (September 2012, June 2025), Has general references but lacks inline footnotes (November 2015), Incomplete citations (April 2022) |
| Genomic evolution of birds | Low | C | 2 | February 2017 | ... (February 2017, October 2024) |
| Geoffrey Herklots | Low | Stub | 1 | December 2024 | ... (December 2024) |
| George Arthur Keartland | Low | Stub | 1 | January 2013 | ... (January 2013) |
| Geronticus olsoni | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Giant Canada goose | Low | Start | 2 | August 2022 | ... (August 2022), CS1 errors: ISBN date |
| Golden pheasant | Low | Start | 2 | April 2019 | ... (April 2019), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Golden-shouldered parrot | Low | Start | 3 | November 2025 | Unsourced passages need footnotes {{citation needed}} (November 2025, December 2025), ... (December 2025) |
| Gracula | Mid | Start | 1 | November 2021 | ... (November 2021) |
| Great Otway National Park | Low | Start | 1 | August 2020 | ... (August 2020) |
| Great shearwater | Low | Start | 1 | February 2026 | ... (February 2026) |
| Great skua | Low | Start | 3 | August 2025 | Unsourced passages need footnotes {{citation needed}} (August 2025), Has general references but lacks inline footnotes (August 2025), ... (August 2025) |
| Green peafowl | High | C | 1 | June 2024 | ... (June 2024) |
| Green-backed camaroptera | Low | Start | 1 | August 2024 | ... (August 2024) |
| Green-cheeked parakeet | Low | C | 2 | July 2009 | ... (July 2009), Unsourced passages need footnotes {{citation needed}} (April 2024) |
| Green-eared barbet | Low | Start | 1 | November 2021 | ... (November 2021) |
| Grey Pond | Low | Stub | 3 | March 2025 | Articles using infobox body of water without pushpin map alt, Articles using infobox body of water without alt bathymetry, ... (March 2025) |
| Grey crow | Low | Start | 1 | September 2022 | ... (September 2022) |
| Grey crowned crane | Low | Start | 2 | August 2015 | ... (August 2015), Unsourced passages need footnotes {{citation needed}} (November 2024) |
| Grey-backed thrush | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Grey-sided bush warbler | Low | Stub | 1 | December 2009 | ... (December 2009) |
| Gular skin | Low | Stub | 1 | May 2010 | ... (May 2010) |
| Gustav Kramer | Low | Stub | 2 | December 2012 | Notability unclear (December 2012), ... (February 2013) |
| Gyps bochenskii | Low | Stub | 1 | April 2025 | ... (April 2025) |
| Hachiroungou Important Bird Area | Low | Start | 1 | November 2023 | ... (November 2023) |
| Haemoproteus | Low | C | 1 | December 2022 | ... (December 2022) |
| Haemoproteus concavocentralis | Low | Stub | 1 | April 2016 | ... (April 2016) |
| Haemoproteus homovelans | Low | Stub | 1 | April 2016 | ... (April 2016) |
| Half Moon Island | Low | Start | 3 | April 2017 | Unsourced passages need footnotes {{citation needed}} (April 2017, August 2024), ... (August 2024) |
| Hans Edmund Wolters | Low | Stub | 1 | October 2014 | ... (October 2014) |
| Hatchery | Low | Start | 2 | June 2007 | ... (June 2007), CS1 errors: missing title |
| Hawaiʻi creeper | Low | Start | 1 | September 2024 | ... (September 2024) |
| Hawaiʻi ʻākepa | Low | Start | 2 | March 2017 | Has general references but lacks inline footnotes (March 2017), ... (September 2024) |
| Hawaiʻi ʻōʻō | Low | Stub | 1 | January 2009 | ... (January 2009) |
| Hayle Estuary | Low | Start | 1 | September 2015 | ... (September 2015) |
| Heath hen | Low | C | 3 | March 2017 | ... (March 2017), Unsourced passages need footnotes {{citation needed}} (June 2023, December 2025) |
| Helmeted guinea fowl | Low | Start | 2 | December 2009 | ... (December 2009), Has general references but lacks inline footnotes (July 2020) |
| Helmetshrike | Mid | Stub | 1 | September 2024 | ... (September 2024) |
| Helmut Sick | Low | Stub | 2 | December 2019 | ... (December 2019), Has general references but lacks inline footnotes (January 2025) |
| Hemixos | Mid | Stub | 2 | June 2011 | ... (June 2011), Original research (June 2011) |
| Highland finch | Low | Start | 2 | November 2007 | Unsourced passages need footnotes {{citation needed}} (November 2007), ... (July 2025) |
| Himalayan bulbul | Low | Start | 1 | December 2016 | ... (December 2016) |
| Himalayan monal | Low | Start | 1 | March 2020 | ... (March 2020) |
| Hippolais veterior | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Hirundo gracilis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Hirundo major | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Holland chicken | Low | Stub | 1 | July 2007 | ... (July 2007) |
| Honeybird | Mid | Stub | 1 | December 2009 | ... (December 2009) |
| Hooded grebe | Low | C | 2 | May 2020 | CS1 errors: missing periodical, ... (May 2020) |
| Hooded jewel-babbler | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Hope Harbour | Low | Start | 1 | May 2025 | ... (May 2025) |
| Horusornis | Low | Stub | 1 | October 2011 | ... (October 2011) |
| Howard and Moore Complete Checklist of the Birds of the World | Low | Start | 2 | July 2008 | ... (July 2008), Expansion needed (July 2008) |
| Huet's fulvetta | Low | Stub | 2 | December 2024 | Unsourced passages need footnotes {{citation needed}} (December 2024), ... (December 2024) |
| Hunucornis | High | Start | 1 | March 2025 | ... (March 2025) |
| Hạfliua | Low | Start | 1 | July 2024 | ... (July 2024) |
| ISA Brown | Low | Stub | 1 | August 2014 | ... (August 2014) |
| Icelandic chicken | Low | Stub | 2 | January 2021 | ... (January 2021), Style editing needed (July 2025) |
| Indian Gola | Low | Stub | 1 | October 2009 | ... (October 2009) |
| Indian Runner duck | Low | C | 1 | May 2024 | ... (May 2024) |
| Indian skimmer | Low | C | 1 | January 2025 | ... (January 2025) |
| Infectious bursal disease | Low | Start | 1 | May 2020 | ... (May 2020) |
| Inghams | Low | Start | 2 | June 2012 | Unsourced passages need footnotes {{citation needed}} (June 2012), ... (September 2020) |
| Institute for Bird Populations | Low | Start | 1 | December 2021 | ... (December 2021) |
| Invasive species in Hawaii | Low | C | 4 | February 2013 | Dead external links {{dead link}} (February 2013, December 2016), ... (December 2016), External link cleanup {{external links}} (August 2025) |
| Isabelline shrike | Low | Stub | 1 | November 2019 | ... (November 2019) |
| Isospora sylviae | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Isospora sylvianthina | Low | Stub | 1 | July 2024 | ... (July 2024) |
| James Fisher (naturalist) | Low | Start | 3 | August 2008 | Incomplete lists (August 2008), ... (February 2024), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Jean Cabanis | Low | Stub | 1 | April 2025 | ... (April 2025) |
| Jean-Théodore Descourtilz | Low | Start | 1 | April 2016 | ... (April 2016) |
| Jennifer F. M. Horne | Low | Start | 1 | December 2009 | ... (December 2009) |
| Jervis Bay | Low | Start | 5 | February 2015 | Page number citations needed (February 2015), Articles using infobox body of water without alt bathymetry, Clarification needed (May 2025), ... (May 2025), Unsourced passages need footnotes {{citation needed}} (May 2025) |
| Jess (falconry) | Low | Start | 2 | December 2009 | ... (December 2009), Unsourced passages need footnotes {{citation needed}} (January 2026) |
| Johann Heinrich Christian Friedrich Sturm | Low | Stub | 1 | August 2021 | ... (August 2021) |
| John Douglas Gibson | Low | Stub | 1 | September 2016 | ... (September 2016) |
| John Gooders | Low | Stub | 2 | October 2012 | ... (October 2012), Dead external links {{dead link}} (September 2024) |
| John Silver (pigeon) | Low | Stub | 2 | 2010 | Potentially dated statements (2010), ... (July 2011) |
| John Vandeleur Stewart | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Jugal bone | Low | Stub | 1 | September 2014 | ... (September 2014) |
| Junco | Mid | Stub | 1 | February 2022 | ... (February 2022) |
| Kai Kecil white-eye | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Kauaʻi finch | Low | Start | 3 | November 2007 | Unsourced passages need footnotes {{citation needed}} (November 2007), ... (December 2020), Dead external links {{dead link}} (April 2023) |
| Kermadec Islands | Low | Start | 2 | December 2008 | ... (December 2008), Dead external links {{dead link}} (May 2023) |
| Key Habitat Site | Low | Stub | 2 | March 2017 | ... (March 2017), Dead external links {{dead link}} (May 2017) |
| King quail | Low | Start | 2 | May 2020 | ... (May 2020), Cites unreliable sources (May 2020) |
| Kinwarton Dovecote | Low | Stub | 1 | July 2022 | ... (July 2022) |
| Kite (bird) | Mid | List | 5 | November 2014 | Weasel-worded phrases (November 2014), ... (November 2014), Unsourced passages need footnotes {{citation needed}} (September 2023, April 2024, January 2026) |
| Kolombangara | Low | Start | 1 | April 2014 | ... (April 2014) |
| Konstanty Tyzenhauz | Low | Start | 1 | June 2024 | ... (June 2024) |
| Kākāwahie | Mid | Start | 1 | January 2009 | ... (January 2009) |
| Kāmaʻo | Mid | Start | 1 | January 2009 | ... (January 2009) |
| LIPU | Low | Stub | 1 | May 2022 | ... (May 2022) |
| Lake Samilpo | Low | Stub | 1 | May 2022 | ... (May 2022) |
| Lakenheath Fen RSPB reserve | Low | Start | 1 | April 2009 | ... (April 2009) |
| Lanius capeki | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Lanius hungaricus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Lanius intermedius | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Lanius major | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Lappet-faced vulture | Low | Start | 2 | April 2018 | ... (April 2018), Unsourced passages need footnotes {{citation needed}} (June 2019) |
| Largest living flying birds by wingspan | Low | List | 2 | January 2021 | ... (January 2021), Unsourced passages need footnotes {{citation needed}} (April 2025) |
| Laurel pigeon | Low | Start | 2 | February 2017 | ... (February 2017), Unsourced passages need footnotes {{citation needed}} (November 2025) |
| Lavanttalornis | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Lavender (chicken plumage) | Low | C | 2 | November 2024 | ... (November 2024), Unsourced passages need footnotes {{citation needed}} (September 2025) |
| Le Cornelle | Low | Stub | 2 | April 2014 | Cites unreliable sources (April 2014), ... (September 2016) |
| Leptopogon | Mid | Stub | 1 | January 2021 | ... (January 2021) |
| Lesser adjutant | Low | C | 1 | November 2025 | ... (November 2025) |
| Leucocytozoon | Low | Start | 2 | September 2015 | ... (September 2015), Cites unreliable sources (May 2022) |
| Lidth's jay | Low | Start | 1 | October 2024 | ... (October 2024) |
| Lineated woodpecker | Low | Start | 2 | January 2026 | ... (January 2026), Copied and pasted articles and sections with url provided (January 2026) |
| List of Corvus species | Low | List | 1 | June 2011 | ... (June 2011) |
| List of Recent Holarctic Bird Species | Low | Stub | 1 | October 2008 | ... (October 2008) |
| List of bird extinctions by year | Low | List | 1 | July 2020 | ... (July 2020) |
| List of birding books | Low | List | 1 | September 2011 | ... (September 2011) |
| List of birds of Alagoas | Low | List | 1 | September 2024 | ... (September 2024) |
| List of birds of Atacama Region | Low | List | 2 | September 2025 | ... (September 2025), Potentially dated statements (September 2025) |
| List of birds of Aysén Region | Low | List | 2 | November 2024 | Potentially dated statements (November 2024), ... (November 2024) |
| List of birds of King Island (Tasmania) | Low | List | 2 | November 2011 | ... (November 2011), Unsourced passages need footnotes {{citation needed}} (July 2015) |
| List of birds of Lakshadweep | Low | List | 1 | May 2025 | ... (May 2025) |
| List of birds of Pernambuco | Low | List | 2 | September 2025 | ... (September 2025), Potentially dated statements (September 2025) |
| List of birds of Piauí | Low | List | 1 | September 2025 | ... (September 2025) |
| List of birds of South Asia: part 1 | Low | List | 1 | May 2022 | ... (May 2022) |
| List of birds of South Asia: part 2 | Low | List | 1 | February 2024 | ... (February 2024) |
| List of birds of South Asia: part 3 | Low | List | 1 | February 2024 | ... (February 2024) |
| List of birds of South Asia: part 4 | Low | List | 1 | March 2023 | ... (March 2023) |
| List of birds of the Madrean Sky Islands | Low | List | 1 | February 2024 | ... (February 2024) |
| List of birds of the Sonoran Desert | Low | List | 1 | February 2024 | ... (February 2024) |
| List of birdwatchers | Low | List | 5 | December 2009 | Unsourced passages need footnotes {{citation needed}} (December 2009), Cites unreliable sources (March 2023, March 2024), ... (March 2023, March 2024) |
| List of endemic birds of South Asia | Low | List | 2 | October 2015 | ... (October 2015), Incomplete lists (July 2021) |
| List of endemic birds of the Himalayas | Low | List | 1 | November 2024 | ... (November 2024) |
| List of fictional ducks | Low | List | 2 | December 2010 | ... (December 2010), Unsourced passages need footnotes {{citation needed}} (January 2015) |
| List of individual birds | Low | List | 1 | February 2023 | ... (February 2023) |
| List of nocturnal birds | Low | List | 1 | December 2011 | ... (December 2011) |
| List of ornithologists abbreviated names | Low | List | 1 | August 2025 | ... (August 2025) |
| List of ratites | Low | List | 1 | November 2022 | ... (November 2022) |
| List of threatened species known to occur in the Great Barrier Reef World Heritage Area | Low | List | 1 | June 2014 | ... (June 2014) |
| Little ringed plover | Low | Start | 1 | December 2025 | ... (December 2025) |
| Locustella janossyi | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Locustella kordosi | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Locustella magna | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Long-tailed duck | Mid | Start | 1 | June 2012 | ... (June 2012) |
| Lorant de Bastyai | Low | Stub | 2 | January 2020 | ... (January 2020), Orphaned (January 2020) |
| Lovebird | High | C | 3 | 2019 | Potentially dated statements (2019), ... (January 2025), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Loxia csarnotanus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Loxia patevi | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Lullula minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Lullula minuscula | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Lullula parva | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Luscinia denesi | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Luscinia pliocaenica | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Lyman Belding | Low | Stub | 1 | October 2016 | ... (October 2016) |
| Machaerirhynchus | Low | Stub | 1 | July 2023 | ... (July 2023) |
| Magellanic diving petrel | Low | Stub | 1 | February 2020 | ... (February 2020) |
| Malabar imperial pigeon | Low | Stub | 1 | November 2022 | ... (November 2022) |
| Maleo | Mid | C | 2 | April 2025 | CS1 errors: missing periodical, ... (April 2025) |
| Mallard complex | Low | Start | 1 | September 2024 | ... (September 2024) |
| Margaret Morse Nice Medal | Low | Stub | 1 | April 2015 | ... (April 2015) |
| Maria Island | Low | C | 4 | April 2024 | ... (April 2024, January 2026), Vague or ambiguous time (April 2024), Links needing disambiguation (October 2025) |
| Marsh grassbird | Low | Stub | 1 | December 2021 | ... (December 2021) |
| Masked lapwing | Low | Start | 1 | March 2023 | ... (March 2023) |
| Matsue Vogel Park | Low | Stub | 2 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024), ... (November 2024) |
| Maui nukupuʻu | Mid | Start | 2 | December 2009 | Unsourced passages need footnotes {{citation needed}} (December 2009), ... (August 2021) |
| Mayang Reservoir | Low | Stub | 1 | October 2024 | ... (October 2024) |
| Meemannavis | Low | Stub | 1 | January 2022 | ... (January 2022) |
| Melanocorypha minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Melodious blackbird | Low | Start | 1 | October 2017 | ... (October 2017) |
| Meridiocichla | Low | Start | 1 | September 2025 | ... (September 2025) |
| Messelirrisor | Low | Stub | 2 | January 2021 | Has general references but lacks inline footnotes (January 2021), ... (January 2021) |
| Mews (falconry) | Low | Stub | 3 | November 2024 | Unsourced passages need footnotes {{citation needed}} (November 2024), ... (November 2024), Limited geographic scope (November 2024) |
| Migratory Birds Convention Act | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Miklos Udvardy | Low | Start | 3 | February 2016 | ... (February 2016), Notability unclear (February 2016), Style editing needed (August 2022) |
| Military macaw | Mid | C | 3 | February 2017 | ... (February 2017), Unsourced passages need footnotes {{citation needed}} (January 2020, April 2020) |
| Milvoides | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Mirarce | Low | Stub | 1 | January 2022 | ... (January 2022) |
| Mirusavis | Low | Stub | 1 | March 2021 | ... (March 2021) |
| Mitred parakeet | Low | Start | 1 | November 2008 | ... (November 2008) |
| Mlima Combani and Mlima Mtsapéré Important Bird Area | Low | Start | 1 | November 2023 | ... (November 2023) |
| Moa-nalo | Low | Start | 1 | December 2009 | ... (December 2009) |
| Mongolian Ornithological Society | Low | Stub | 2 | February 2016 | ... (February 2016), Cites unreliable sources (February 2016) |
| Monticola pongraczi | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Motacilla intermedia | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Motacilla minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Motacilla robusta | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Mousehole Wild Bird Hospital and Sanctuary | Low | Stub | 1 | February 2024 | ... (February 2024) |
| Mouth of the Cirque de Salazie Important Bird Area | Low | Start | 1 | August 2024 | ... (August 2024) |
| Mukojima Islands | Low | Stub | 1 | September 2025 | ... (September 2025) |
| Muscicapa miklosi | Low | Stub | 1 | January 2025 | ... (January 2025) |
| Muscicapa petenyii | Low | Stub | 1 | January 2025 | ... (January 2025) |
| Muscicapida | Low | Stub | 1 | December 2020 | ... (December 2020) |
| Muscovy duck | Low | C | 1 | May 2025 | ... (May 2025) |
| Musivavis | Low | Stub | 1 | March 2022 | ... (March 2022) |
| Myna | Mid | Start | 1 | June 2011 | ... (June 2011) |
| Nagi Bird Sanctuary | Low | Start | 1 | December 2020 | ... (December 2020) |
| Nasidytes | Low | Stub | 1 | July 2022 | ... (July 2022) |
| Neodrepanis | Mid | Stub | 1 | April 2018 | ... (April 2018) |
| Neomorphidae | Mid | Stub | 1 | February 2024 | ... (February 2024) |
| Neopelma | Mid | Stub | 1 | April 2018 | ... (April 2018) |
| Nest box camera | Low | Stub | 2 | February 2014 | ... (February 2014), Unsourced passages need footnotes {{citation needed}} (June 2017) |
| Neville William Cayley | Mid | C | 1 | January 2018 | ... (January 2018) |
| New Caledonian lorikeet | Low | C | 3 | November 2013 | Update needed (November 2013), Unsourced passages need footnotes {{citation needed}} (June 2025), ... (June 2025) |
| New Caledonian nightjar | Low | Stub | 2 | February 2026 | ... (February 2026), Has general references but lacks inline footnotes (February 2026) |
| New Caledonian owlet-nightjar | Low | Start | 2 | November 2021 | ... (November 2021), Unsourced passages need footnotes {{citation needed}} (November 2021) |
| New Caledonian thicketbird | Low | Stub | 2 | July 2024 | ... (July 2024), Unsourced passages need footnotes {{citation needed}} (July 2024) |
| New Zealand pipit | Low | C | 2 | September 2025 | Has general references but lacks inline footnotes (September 2025), ... (September 2025) |
| Night heron | Mid | Stub | 1 | December 2009 | ... (December 2009) |
| Noel Learmonth | Low | Stub | 1 | February 2009 | ... (February 2009) |
| Norfolk Island | Low | B | 11 | 2004 | Potentially dated statements (2004, 2010, 2014), Unsourced passages need footnotes {{citation needed}} (June 2016, September 2018, April 2024, April 2025, October 2025), Dead external links {{dead link}} (February 2018), ... (December 2021), Original research (February 2023) |
| North American Falconers Association | Low | Stub | 2 | August 2025 | Notability unclear (August 2025), ... (August 2025) |
| North Island kōkako | Mid | C | 3 | May 2025 | Clarification needed (May 2025), ... (May 2025), Copy edit needed (May 2025) |
| Northern mockingbird | Low | GA | 2 | February 2025 | ... (February 2025), CS1 errors: ISBN date |
| Ochre-marked parakeet | Low | Start | 1 | August 2012 | ... (August 2012) |
| Oenanthe kormosi | Low | Stub | 1 | January 2025 | ... (January 2025) |
| Oenanthe pongraczi | Low | Stub | 1 | January 2025 | ... (January 2025) |
| Olomaʻo | Low | Stub | 1 | January 2009 | ... (January 2009) |
| Operation Migration | Low | Start | 2 | March 2011 | Update needed (March 2011), ... (February 2013) |
| Orange weaver | Low | Start | 1 | September 2023 | ... (September 2023) |
| Orange-cheeked waxbill | Low | Start | 1 | November 2010 | ... (November 2010) |
| Orchard oriole | Low | C | 2 | May 2024 | ... (May 2024), Unsourced passages need footnotes {{citation needed}} (May 2024) |
| Orford, Tasmania | Low | C | 4 | October 2024 | Style editing needed (October 2024), Promotional tone (October 2024), ... (October 2024), Unsourced passages need footnotes {{citation needed}} (October 2024) |
| Organic egg production | Low | Start | 3 | February 2011 | Limited geographic scope (February 2011), ... (March 2015), Unsourced passages need footnotes {{citation needed}} (February 2020) |
| Oriolus beremendensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Ornithological handbook | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Pacific Seabird Group | Low | Start | 2 | June 2009 | Cites unreliable sources (June 2009), ... (May 2017) |
| Pacific parrotlet | Low | C | 1 | June 2024 | ... (June 2024) |
| Palaeoapterodytes | Low | Start | 1 | December 2025 | ... (December 2025) |
| Palaeobyas | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Palawan flowerpecker | Low | Stub | 1 | May 2025 | ... (May 2025) |
| Pale prinia | Low | Stub | 1 | May 2024 | ... (May 2024) |
| Pan-African Ornithological Congress | Low | Start | 2 | February 2014 | ... (February 2014), Dead external links {{dead link}} (July 2025) |
| Parakeet | Mid | Start | 4 | January 2009 | ... (January 2009), Potentially dated statements (2023), Unsourced passages need footnotes {{citation needed}} (March 2023, April 2023) |
| Parrot training | Low | Start | 3 | August 2009 | ... (August 2009), Unsourced passages need footnotes {{citation needed}} (November 2010, February 2011) |
| Parrotlet | Mid | Start | 3 | May 2010 | Unsourced passages need footnotes {{citation needed}} (May 2010, September 2020), ... (September 2014) |
| Parus medius | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Parus parvulus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Parus robustus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Passer minusculus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Passer pannonicus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Passerina | Mid | Stub | 1 | August 2017 | ... (August 2017) |
| Pastured poultry | Low | Start | 3 | April 2015 | ... (April 2015), Limited geographic scope (January 2017), Unsourced passages need footnotes {{citation needed}} (October 2025) |
| Peafowl | Mid | B | 6 | December 2018 | Unsourced passages need footnotes {{citation needed}} (December 2018, May 2023, October 2023), ... (May 2023), Weasel-worded phrases (May 2023), Page number citations needed (March 2024) |
| Pecten (biology) | Mid | Stub | 2 | July 2018 | ... (July 2018), Incomplete citations (July 2024) |
| Penguin Pete | Low | Start | 4 | June 2012 | Unsourced passages need footnotes {{citation needed}} (June 2012, September 2017, September 2021), ... (June 2024) |
| Perlin (falconry) | Low | Stub | 1 | February 2024 | ... (February 2024) |
| Peruvian meadowlark | Low | Stub | 1 | April 2024 | ... (April 2024) |
| Phalacrocorax goletensis | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Pharomachrus | Mid | Stub | 1 | July 2023 | ... (July 2023) |
| Pheasant | Mid | Start | 2 | August 2020 | ... (August 2020), Disputed statements (March 2023) |
| Pheasant pigeon | Mid | Start | 1 | November 2024 | ... (November 2024) |
| Pheasantry | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Phoenicurus baranensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Phoenicurus erikai | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Phylloscopus pliocaenicus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Phylloscopus venczeli | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Pica mourerae | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Picus pliocaenicus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Pierce Brodkorb | Low | Start | 3 | July 2017 | Unsourced passages need footnotes {{citation needed}} (July 2017), ... (July 2017), Has general references but lacks inline footnotes (July 2017) |
| Pierre (penguin) | Low | Start | 1 | January 2022 | ... (January 2022) |
| Pierre Joseph Bonnaterre | Low | Stub | 1 | October 2025 | ... (October 2025) |
| Pigeon intelligence | Low | Start | 4 | April 2010 | Unsourced passages need footnotes {{citation needed}} (April 2010, February 2018, October 2025), ... (September 2019) |
| Pigeon racing | Low | B | 11 | March 2008 | Unsourced passages need footnotes {{citation needed}} (March 2008, October 2012, May 2017, July 2024), ... (February 2022, July 2024), Clarification needed (October 2022, July 2024), Cites unreliable sources (July 2024), Page number citations needed (July 2024), Failed verification (July 2024) |
| Pigeon sport | Low | Stub | 1 | October 2017 | ... (October 2017) |
| Pinicola kubinyii | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Pinioning | Mid | Start | 1 | September 2023 | ... (September 2023) |
| Plain leaf warbler | Low | Stub | 1 | May 2019 | ... (May 2019) |
| Plain prinia | Low | Start | 1 | January 2019 | ... (January 2019) |
| Plain-breasted hawk | Low | C | 2 | September 2009 | Has general references but lacks inline footnotes (September 2009), ... (April 2016) |
| Plectrophenax veterior | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Plume (feather) | High | Stub | 2 | May 2022 | Unsourced passages need footnotes {{citation needed}} (May 2022), ... (December 2024) |
| Plush-crested jay | Low | Start | 2 | May 2024 | Has general references but lacks inline footnotes (May 2024), ... (May 2024) |
| Podiceps csarnotanus | Low | Start | 1 | January 2023 | ... (January 2023) |
| Point Blue Conservation Science | Low | Start | 2 | June 2013 | ... (June 2013, March 2016) |
| Pomarea | Mid | Stub | 1 | October 2021 | ... (October 2021) |
| Porzana botunensis | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Potoo | High | C | 1 | February 2020 | ... (February 2020) |
| Poʻouli | Mid | C | 3 | November 2012 | ... (November 2012), Unsourced passages need footnotes {{citation needed}} (June 2025), Clarification needed (October 2025) |
| Precursor (bird) | Low | Stub | 1 | September 2014 | ... (September 2014) |
| Prigogine's double-collared sunbird | Low | Stub | 1 | November 2012 | ... (November 2012) |
| Pristineanis | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Protopelicanus | Low | Stub | 1 | August 2025 | ... (August 2025) |
| Proventricular dilatation disease | Low | Start | 1 | May 2017 | ... (May 2017) |
| Psittacomimus | Low | Start | 1 | January 2023 | ... (January 2023) |
| Puerto Rican sharp-shinned hawk | Low | C | 1 | December 2023 | ... (December 2023) |
| Pygmy cormorant | Low | Start | 1 | December 2009 | ... (December 2009) |
| Queensland Ornithological Society Inc | Low | Stub | 2 | September 2015 | Notability unclear (September 2015), ... (September 2015) |
| Quercymegapodius | Low | Stub | 1 | March 2025 | ... (March 2025) |
| RSL chicken | Low | Start | 5 | November 2016 | Notability unclear (November 2016), Orphaned (November 2016), Context needed (November 2016), ... (January 2017), Dead external links {{dead link}} (July 2025) |
| Ramphastosula | Low | Stub | 1 | October 2021 | ... (October 2021) |
| Ravine de la Grande Chaloupe Important Bird Area | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Red-breasted goose | Low | Start | 1 | June 2020 | ... (June 2020) |
| Red-breasted paradise kingfisher | Low | Stub | 1 | November 2020 | ... (November 2020) |
| Red-eyed dove | Low | Start | 1 | March 2025 | ... (March 2025) |
| Regroupement QuébecOiseaux | Low | Stub | 3 | August 2015 | Cites unreliable sources (August 2015), ... (August 2024), Unsourced passages need footnotes {{citation needed}} (August 2024) |
| Regulus pliocaenicus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Rhinoceros hornbill | Low | Start | 2 | September 2024 | CS1 errors: missing periodical, ... (September 2024) |
| Ribbon-tailed astrapia | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Richard Liversidge | Low | C | 2 | January 2026 | Unsourced passages need footnotes {{citation needed}} (January 2026), ... (January 2026) |
| Riparia minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Rivière des Remparts – Rivière Langevin Important Bird Area | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Robert Cecil Beavan | Low | Start | 1 | February 2013 | ... (February 2013) |
| Rocket net | Low | Stub | 1 | September 2013 | ... (September 2013) |
| Roy Percy Cooper | Low | Stub | 2 | November 2014 | Has general references but lacks inline footnotes (November 2014), ... (November 2014) |
| Rubber chicken | Low | Start | 4 | April 2011 | Unsourced passages need footnotes {{citation needed}} (April 2011, February 2018, October 2021), ... (August 2011) |
| Rufous-thighed hawk | Low | C | 2 | September 2009 | Has general references but lacks inline footnotes (September 2009), ... (April 2016) |
| Rufous-throated wren-babbler | Low | Stub | 1 | August 2019 | ... (August 2019) |
| Ryukyu wood pigeon | Low | Start | 1 | October 2025 | ... (October 2025) |
| Réunion grey white-eye | Low | Start | 3 | October 2008 | Unsourced passages need footnotes {{citation needed}} (October 2008), ... (April 2010), Dead external links {{dead link}} (January 2025) |
| Réunion kestrel | Low | Start | 2 | January 2021 | Rewrite needed (January 2021), ... (January 2021) |
| Rüppell's korhaan | Low | Start | 3 | January 2022 | Has general references but lacks inline footnotes (January 2022), Unsourced passages need footnotes {{citation needed}} (December 2024), ... (December 2024) |
| Saddleback (bird) | Mid | C | 1 | April 2024 | ... (April 2024) |
| Sakhalin grasshopper warbler | Low | Stub | 1 | February 2022 | ... (February 2022) |
| Salim Ali's swift | Low | Stub | 2 | October 2011 | Has general references but lacks inline footnotes (October 2011), ... (November 2011) |
| Salvadori's fig parrot | Low | Stub | 1 | August 2012 | ... (August 2012) |
| Samuel Washington Woodhouse | Low | Stub | 1 | December 2009 | ... (December 2009) |
| Sarcocystis accipitris | Low | Stub | 1 | October 2019 | ... (October 2019) |
| Sarkidiornis | Mid | Stub | 2 | February 2021 | Weasel-worded phrases (February 2021), ... (May 2024) |
| Saxicola baranensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Saxicola lambrechti | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Saxicola magna | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Saxicola parva | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Schneider's pitta | Low | Stub | 1 | November 2019 | ... (November 2019) |
| Scops owl | Mid | B | 3 | March 2020 | Unsourced passages need footnotes {{citation needed}} (March 2020), ... (March 2020), Dead external links {{dead link}} (November 2025) |
| Scottish crossbill | Low | C | 4 | July 2024 | Clarification needed (July 2024), Weasel-worded phrases (July 2024), Unsourced passages need footnotes {{citation needed}} (July 2024), ... (December 2024) |
| Seabird Colony Register | Low | Stub | 1 | March 2022 | ... (March 2022) |
| Seawatching | Low | Stub | 1 | August 2015 | ... (August 2015) |
| Serama | Low | Start | 3 | January 2021 | ... (January 2021, May 2024), Unsourced passages need footnotes {{citation needed}} (September 2025) |
| Serama Council of North America | Low | Start | 1 | June 2024 | ... (June 2024) |
| Seria | Low | Start | 2 | July 2022 | ... (July 2022), Dead external links {{dead link}} (January 2026) |
| Shahbaz (bird) | Mid | Stub | 3 | May 2021 | ... (May 2021), Weasel-worded phrases (April 2022), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| Shargaotis | Low | Start | 1 | February 2026 | ... (February 2026) |
| Sharp-shinned hawk | Low | B | 2 | April 2016 | ... (April 2016), Clarification needed (January 2026) |
| Shell-less chick embryo culture | Low | Start | 1 | November 2017 | ... (November 2017) |
| Shelley's crimsonwing | Low | Stub | 1 | October 2025 | ... (October 2025) |
| Siberian thrush | Low | Stub | 1 | October 2021 | ... (October 2021) |
| Similiyanornis | Low | Stub | 1 | August 2021 | ... (August 2021) |
| Sitta gracilis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Sivas Kumru Güvercin | Low | Stub | 1 | November 2011 | ... (November 2011) |
| Smithornis | Mid | Stub | 1 | April 2016 | ... (April 2016) |
| Socotra cormorant | Low | Start | 1 | February 2022 | ... (February 2022) |
| Solid white (chicken plumage) | Low | C | 2 | June 2014 | Has general references but lacks inline footnotes (June 2014), ... (November 2024) |
| Somali crow | Low | Stub | 1 | December 2013 | ... (December 2013) |
| Somali wheatear | Low | Stub | 1 | February 2024 | ... (February 2024) |
| Sooty barbet | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Sophiornis | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Sororavis | Low | Start | 1 | November 2023 | ... (November 2023) |
| South African ostrich | Low | Start | 2 | August 2017 | ... (August 2017), Rewrite needed (November 2025) |
| South Australian Ornithologist | Low | Stub | 1 | June 2016 | ... (June 2016) |
| South Milton Ley | Low | Stub | 1 | September 2022 | ... (September 2022) |
| Southern Ladan Hills | Low | Stub | 2 | July 2021 | ... (July 2021), Orphaned (October 2022) |
| Southern carmine bee-eater | Low | Start | 2 | September 2010 | Has general references but lacks inline footnotes (September 2010), ... (October 2019) |
| Spangled drongo | Mid | Start | 2 | January 2025 | ... (January 2025), Unsourced passages need footnotes {{citation needed}} (January 2025) |
| Spheniscus anglicus | Low | Stub | 1 | June 2021 | ... (June 2021) |
| Splendid astrapia | Low | C | 2 | June 2025 | Unsourced passages need footnotes {{citation needed}} (June 2025), ... (June 2025) |
| Spot-bellied bobwhite | Low | Start | 2 | May 2020 | ... (May 2020), Unsourced passages need footnotes {{citation needed}} (November 2023) |
| Spot-breasted laughingthrush | Low | Stub | 1 | June 2013 | ... (June 2013) |
| Spotted eagle-owl | Low | Start | 1 | December 2019 | ... (December 2019) |
| Spotting scope | Mid | Start | 1 | November 2007 | ... (November 2007) |
| Spur-winged lapwing | Low | Start | 2 | February 2024 | ... (February 2024), Unsourced passages need footnotes {{citation needed}} (February 2024) |
| St Francis Island | Low | Start | 1 | January 2019 | ... (January 2019) |
| Stancomb-Wills Glacier | Low | Stub | 1 | June 2025 | ... (June 2025) |
| Sturnus baranensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Sturnus brevis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Sturnus pliocaenicus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Sulcitarsus | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Sunda collared dove | Low | Stub | 1 | October 2020 | ... (October 2020) |
| Sylvia intermedia | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Sylvia pussila | Low | Stub | 1 | December 2024 | ... (December 2024) |
| São Tomé prinia | Low | Stub | 1 | February 2024 | ... (February 2024) |
| Takahē | High | C | 5 | October 2012 | Unsourced passages need footnotes {{citation needed}} (October 2012, February 2018, April 2020, December 2023), ... (March 2024) |
| Talking bird | Low | Start | 3 | June 2019 | Unsourced passages need footnotes {{citation needed}} (June 2019, November 2024), ... (February 2022) |
| Tangata manu | Low | Start | 2 | February 2024 | ... (February 2024), CS1 errors: ISBN date |
| Tarsometatarsus | Low | Start | 2 | May 2023 | ... (May 2023), Has general references but lacks inline footnotes (May 2023) |
| Tattler (newsletter) | Low | Stub | 1 | June 2022 | ... (June 2022) |
| Tawny-breasted parrotfinch | Low | Stub | 1 | September 2025 | ... (September 2025) |
| The Beak of the Finch | Low | Start | 1 | March 2008 | ... (March 2008) |
| The Birds of Africa | Low | Stub | 2 | August 2014 | Update needed (August 2014), ... (January 2021) |
| The Birds of Australia (Broinowski) | Low | Stub | 1 | July 2025 | ... (July 2025) |
| The Genius of Birds | Low | Stub | 1 | July 2017 | ... (July 2017) |
| The Macaw Society | Low | B | 1 | July 2023 | ... (July 2023) |
| The Nest (aviary) | Mid | Start | 2 | January 2018 | ... (January 2018), Unsourced passages need footnotes {{citation needed}} (March 2018) |
| The Peregrine Fund | Low | Start | 1 | November 2009 | ... (November 2009) |
| The Stilt | Low | Stub | 1 | July 2015 | ... (July 2015) |
| Theophilus Johnson | Low | Stub | 1 | July 2014 | ... (July 2014) |
| Tibial dyschondroplasia | Low | Stub | 1 | February 2012 | ... (February 2012) |
| Timeline of ornithology | Mid | Start | 1 | December 2009 | ... (December 2009) |
| Timeliopsis | Mid | Stub | 1 | July 2023 | ... (July 2023) |
| Tippler | Low | Start | 7 | July 2013 | Unsourced passages need footnotes {{citation needed}} (July 2013, October 2020), ... (September 2014), Has general references but lacks inline footnotes (September 2014), Clarification needed (January 2015), CS1 errors: missing title, CS1 errors: bare URL |
| Tologuica | Low | Start | 2 | February 2024 | Categories needed (February 2024), ... (February 2024) |
| Tommy Garnett | Low | Start | 2 | November 2019 | Has general references but lacks inline footnotes (November 2019), ... (November 2019) |
| Torrent duck | Low | Start | 2 | May 2025 | ... (May 2025), Has general references but lacks inline footnotes (May 2025) |
| Traill's flycatcher | Low | List | 1 | December 2018 | ... (December 2018) |
| Troglodytes robustus | Low | Stub | 1 | December 2024 | ... (December 2024) |
| True parrot | High | Start | 1 | January 2014 | ... (January 2014) |
| Turdus major | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Turdus medius | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Turdus minor | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Turdus polgardiensis | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Turkey call | Low | List | 3 | October 2009 | Unsourced passages need footnotes {{citation needed}} (October 2009), Original research (May 2018), ... (May 2018) |
| Tyto campiterrae | Low | Stub | 1 | April 2025 | ... (April 2025) |
| Tytthostonyx | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Ueekenkcoracias | Low | Start | 1 | April 2021 | ... (April 2021) |
| Ukrainian Skycutter | Low | Stub | 4 | January 2008 | ... (January 2008), Unsourced passages need footnotes {{citation needed}} (December 2010, February 2017), Accuracy disputes or self-published (December 2018) |
| Ulladulla to Merimbula Important Bird Area | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Umdoni Bird Sanctuary | Low | Stub | 1 | July 2013 | ... (July 2013) |
| Upcher's warbler | Low | Start | 1 | October 2025 | ... (October 2025) |
| Upland pipit | Low | Stub | 1 | August 2019 | ... (August 2019) |
| Usambara weaver | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Vagrancy (biology) | Low | Start | 2 | September 2018 | ... (September 2018), Unsourced passages need footnotes {{citation needed}} (January 2026) |
| Vienna Highflyer | Low | Stub | 1 | May 2014 | ... (May 2014) |
| Village indigobird | Low | Stub | 1 | November 2024 | ... (November 2024) |
| Violet cuckoo | Low | Stub | 3 | February 2025 | Unsourced passages need footnotes {{citation needed}} (February 2025), ... (February 2025), Dead external links {{dead link}} (August 2025) |
| Vulkathunha-Gammon Ranges National Park | Low | B | 3 | June 2016 | ... (June 2016, August 2025), Potentially dated statements (August 2025) |
| Vulturine guinea fowl | Mid | Start | 1 | December 2010 | ... (December 2010) |
| WWT Arundel | Low | Start | 1 | May 2018 | ... (May 2018) |
| WWT Llanelli Wetlands Centre | Low | Stub | 1 | December 2009 | ... (December 2009) |
| Walter Freeman Webb | Low | Stub | 2 | August 2020 | Clarification needed (August 2020), ... (October 2025) |
| Wandering tattler | Low | Start | 1 | April 2025 | ... (April 2025) |
| Waved albatross | Low | C | 1 | October 2022 | ... (October 2022) |
| Well-bird exam | Low | Stub | 1 | May 2024 | ... (May 2024) |
| Welsummer | Low | Stub | 2 | November 2016 | ... (November 2016), Unsourced passages need footnotes {{citation needed}} (May 2018) |
| Western Port | Low | C | 3 | January 2008 | ... (January 2008), Articles using infobox body of water without alt bathymetry, Links needing disambiguation (October 2025) |
| Western black-eared wheatear | Low | Start | 1 | April 2025 | ... (April 2025) |
| White eared pheasant | Low | Start | 2 | September 2009 | ... (September 2009), Unsourced passages need footnotes {{citation needed}} (June 2014) |
| White-breasted hawk | Low | C | 1 | April 2016 | ... (April 2016) |
| White-eyed vireo | Low | Start | 1 | December 2023 | ... (December 2023) |
| White-faced storm petrel | Low | C | 1 | March 2024 | ... (March 2024) |
| White-necked raven | Low | Start | 1 | July 2017 | ... (July 2017) |
| White-throated toucan | Mid | Start | 1 | February 2025 | ... (February 2025) |
| White-winged scoter | Low | Start | 2 | March 2009 | ... (March 2009), CS1 errors: ISBN date |
| Why did the chicken cross the road? | High | Start | 1 | August 2022 | ... (August 2022) |
| Winged Migration | Low | Start | 1 | April 2009 | ... (April 2009) |
| Winnicavis | Low | Stub | 1 | June 2021 | ... (June 2021) |
| Wonga pigeon | Mid | Start | 1 | May 2022 | ... (May 2022) |
| World Series of Birding | Low | Start | 1 | August 2022 | ... (August 2022) |
| Wrinkled hornbill | Low | Start | 1 | December 2023 | ... (December 2023) |
| Yambuk Important Bird Area | Low | Stub | 1 | January 2023 | ... (January 2023) |
| Yankee Harbour | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Yarquen | Low | Start | 1 | March 2023 | ... (March 2023) |
| Yellow-naped amazon | Low | Stub | 1 | September 2011 | ... (September 2011) |
| Ynys-hir RSPB reserve | Low | Start | 2 | December 2013 | ... (December 2013), Vague or ambiguous time (May 2016) |
| Yuornis | Low | Start | 1 | January 2022 | ... (January 2022) |
| Šumavanka | Low | Stub | 1 | August 2014 | ... (August 2014) |
| ʻAkiapōlāʻau | Low | C | 1 | November 2020 | ... (November 2020) |
| ʻIʻiwi | Mid | C | 1 | November 2020 | ... (November 2020) |
| Article | Importance | Class | Count | Oldest | Issues |
|---|---|---|---|---|---|
| 1820 in birding and ornithology | Low | List | 1 | March 2023 | ... (March 2023) |
| 1851 in birding and ornithology | Low | List | 1 | November 2023 | ... (November 2023) |
| Abbott's booby | Mid | C | 1 | September 2024 | ... (September 2024) |
| Abbott's starling | Low | Stub | 1 | June 2024 | ... (June 2024) |
| Abyssinian slaty flycatcher | Low | Start | 1 | May 2024 | ... (May 2024) |
| Abyssinian thrush | Low | Start | 1 | February 2025 | ... (February 2025) |
| Acadian flycatcher | Low | Start | 2 | May 2023 | ... (May 2023), Dead external links {{dead link}} (August 2025) |
| Acanthizidae | High | Start | 1 | April 2021 | ... (April 2021) |
| Accipitridae | High | C | 1 | June 2023 | ... (June 2023) |
| Accipitriformes | High | Start | 3 | June 2016 | ... (June 2016, July 2016), Clarification needed (December 2024) |
| Acorn woodpecker | Low | C | 2 | April 2024 | ... (April 2024, October 2025) |
| Adelaide International Bird Sanctuary National Park | Low | Start | 2 | May 2017 | ... (May 2017), Update needed (December 2021) |
| Adult neurogenesis in songbirds | Low | B | 1 | December 2022 | ... (December 2022) |
| Adzebill | Mid | C | 4 | July 2025 | Expansion needed (July 2025), Weasel-worded phrases (July 2025), ... (July 2025), Clarification needed (July 2025) |
| Adélie penguin | Low | Start | 2 | June 2012 | Potentially dated statements (June 2012), ... (January 2019) |
| African collared dove | Low | Start | 1 | October 2025 | ... (October 2025) |
| African fish eagle | Low | C | 1 | May 2024 | ... (May 2024) |
| African green bee-eater | Low | Start | 1 | December 2025 | ... (December 2025) |
| African harrier-hawk | Low | Start | 1 | January 2026 | ... (January 2026) |
| African openbill | Low | Start | 1 | July 2025 | ... (July 2025) |
| African rock pipit | Low | Stub | 2 | May 2024 | ... (May 2024, February 2025) |
| Agami heron | Mid | Start | 1 | December 2024 | ... (December 2024) |
| Ajoy Home | Low | Start | 2 | February 2017 | ... (February 2017), Dead external links {{dead link}} (October 2025) |
| Akyatan Lagoon | Low | C | 1 | January 2019 | ... (January 2019) |
| Albatross | High | B | 3 | December 2022 | ... (December 2022, January 2026), Vague or ambiguous time (January 2026) |
| Albert's lyrebird | Low | C | 1 | September 2024 | ... (September 2024) |
| Alectoris | Mid | Start | 1 | March 2018 | ... (March 2018) |
| Alepu | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Alexander Wetmore | Mid | Start | 1 | July 2025 | ... (July 2025) |
| Alexander Williams (artist) | Low | Start | 1 | August 2020 | ... (August 2020) |
| Allen's hummingbird | Low | C | 2 | October 2024 | ... (October 2024, November 2024) |
| Altitudinal migration | Mid | C | 1 | November 2021 | ... (November 2021) |
| Alula | Low | Start | 1 | April 2021 | ... (April 2021) |
| Ambon white-eye | Low | Stub | 1 | November 2025 | ... (November 2025) |
| American bushtit | Low | C | 1 | October 2023 | ... (October 2023) |
| American coot | Low | B | 2 | April 2024 | Has general references but lacks inline footnotes (April 2024), ... (July 2024) |
| American herring gull | Low | C | 1 | August 2023 | ... (August 2023) |
| American kestrel | Low | GA | 1 | December 2024 | ... (December 2024) |
| American purple gallinule | Low | Start | 1 | March 2017 | ... (March 2017) |
| Anas | Mid | Start | 1 | October 2009 | ... (October 2009) |
| Anatidae | High | B | 5 | January 2008 | ... (January 2008, January 2009, November 2014), Dead external links {{dead link}} (August 2023), Clarification needed (June 2025) |
| Andaman wood pigeon | Low | Stub | 1 | July 2021 | ... (July 2021) |
| Angel wing | Low | Start | 1 | August 2022 | ... (August 2022) |
| Anhinga | Low | C | 3 | December 2024 | ... (December 2024, August 2025), CS1 errors: ISBN date |
| Anodorhynchus | Mid | C | 2 | December 2013 | ... (December 2013, October 2023) |
| Anser (bird) | Mid | Start | 1 | June 2008 | ... (June 2008) |
| Anseriformes | Top | B | 1 | November 2022 | ... (November 2022) |
| Ant follower | Mid | Start | 2 | June 2025 | ... (June 2025), Weasel-worded phrases (June 2025) |
| Anthony Collett | Low | Start | 2 | August 2014 | ... (August 2014), Unsourced passages need footnotes {{More citations needed}} (February 2022) |
| Anting (behavior) | Mid | B | 1 | November 2019 | ... (November 2019) |
| Antipodes Islands | Low | C | 2 | May 2013 | ... (May 2013, February 2025) |
| Anwaruddin Choudhury (BLP) | Low | C | 6 | October 2016 | Dead external links {{dead link}} (October 2016, November 2018), ... (October 2024, April 2025, May 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Aplomado falcon | Low | C | 1 | February 2026 | ... (February 2026) |
| Arabian green bee-eater | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Arabian ostrich | Low | C | 1 | January 2023 | ... (January 2023) |
| Araripe manakin | Low | Start | 1 | May 2020 | ... (May 2020) |
| Archosaur | Low | C | 7 | January 2014 | ... (January 2014, April 2017, December 2017, December 2020), Clarification needed (July 2019, January 2021), Weasel-worded phrases (July 2019) |
| Arkaroola | Low | Start | 2 | July 2017 | Dead external links {{dead link}} (July 2017), ... (August 2025) |
| Arne RSPB reserve | Low | Start | 1 | August 2021 | ... (August 2021) |
| Arthur Mattingley | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Ashmore and Cartier Islands | Low | Start | 3 | March 2020 | ... (March 2020, February 2026), Reference cleanup (January 2025) |
| Asiahesperornis | Low | Stub | 2 | September 2015 | ... (September 2015, November 2015) |
| Asian brown flycatcher | Low | Start | 1 | October 2007 | ... (October 2007) |
| Asil chicken | Low | Start | 2 | August 2010 | Unsourced passages need footnotes {{More citations needed}} (August 2010), ... (August 2021) |
| Asir magpie | Low | Stub | 1 | July 2024 | ... (July 2024) |
| Atlas of Australian Birds | Mid | C | 1 | December 2011 | ... (December 2011) |
| Auckland Island | Low | Start | 1 | May 2019 | ... (May 2019) |
| Auckland rail | Low | Start | 1 | March 2009 | ... (March 2009) |
| Audubon | Mid | C | 1 | March 2024 | ... (March 2024) |
| Augury | Low | C | 2 | April 2023 | Cites unreliable sources (April 2023), ... (April 2023) |
| Australian Game | Low | Start | 1 | October 2025 | ... (October 2025) |
| Australian Performing Tumbler | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Australian brushturkey | Low | Start | 1 | September 2025 | ... (September 2025) |
| Australian king parrot | Low | Start | 1 | September 2024 | ... (September 2024) |
| Australian magpie | Mid | FA | 1 | May 2025 | ... (May 2025) |
| Australian masked owl | Low | C | 1 | November 2020 | ... (November 2020) |
| Australorp | Low | Start | 2 | May 2010 | Has general references but lacks inline footnotes (May 2010), ... (July 2018) |
| Avian malaria | Low | Start | 2 | 2015 | Potentially dated statements (2015), ... (August 2022) |
| Avian sarcoma leukosis virus | Low | Start | 1 | November 2022 | ... (November 2022) |
| Aviculture | High | C | 1 | December 2018 | ... (December 2018) |
| Aviornis | Low | Stub | 1 | February 2012 | ... (February 2012) |
| Ayam Kedu | Low | Stub | 2 | August 2014 | Unsourced passages need footnotes {{More citations needed}} (August 2014), ... (August 2014) |
| Bachman's sparrow | Low | C | 2 | February 2023 | ... (February 2023, September 2025) |
| Bahama yellowthroat | Low | Start | 2 | November 2024 | ... (November 2024, December 2025) |
| Baikal bullfinch | Low | Start | 1 | May 2024 | ... (May 2024) |
| Baird's sandpiper | Low | Start | 1 | October 2025 | ... (October 2025) |
| Balearic shearwater | Low | Start | 1 | November 2020 | ... (November 2020) |
| Bali myna | Low | Start | 1 | March 2016 | ... (March 2016) |
| Baltimore oriole | Low | C | 1 | June 2022 | ... (June 2022) |
| Banggai fruit dove | Low | Stub | 1 | January 2023 | ... (January 2023) |
| Bank myna | Low | C | 1 | September 2020 | ... (September 2020) |
| Bantam (poultry) | Mid | Start | 2 | May 2013 | Unsourced passages need footnotes {{More citations needed}} (May 2013), ... (May 2020) |
| Bar-headed goose | Low | Start | 1 | March 2025 | ... (March 2025) |
| Bar-shouldered dove | Low | Start | 2 | November 2011 | Has general references but lacks inline footnotes (November 2011), ... (April 2019) |
| Barking imperial pigeon | Low | Stub | 1 | October 2019 | ... (October 2019) |
| Barnes's astrapia | Low | Stub | 1 | July 2012 | ... (July 2012) |
| Barred buttonquail | Low | Start | 1 | April 2017 | ... (April 2017) |
| Barred parakeet | Mid | Start | 3 | June 2008 | ... (June 2008, April 2010, October 2010) |
| Barred tinamou | Low | Start | 2 | February 2009 | ... (February 2009), CS1 errors: archive-url |
| Barrow Island (Western Australia) | Low | C | 1 | July 2020 | ... (July 2020) |
| Barry (owl) | Low | Stub | 2 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024), ... (February 2024) |
| Bathoceleus hyphalus | Low | Stub | 2 | June 2010 | Unsourced passages need footnotes {{More citations needed}} (June 2010), ... (June 2010) |
| Battery cage | Mid | C | 7 | September 2009 | Expansion needed (September 2009), Dead external links {{dead link}} (October 2019, June 2024), ... (January 2023, March 2024, January 2026), Update needed (March 2023) |
| Baudo guan | Low | Start | 1 | April 2017 | ... (April 2017) |
| Beak trimming | Low | C | 1 | May 2020 | ... (May 2020) |
| Bean goose | Low | Start | 4 | April 2011 | Expansion needed (April 2011), Unsourced passages need footnotes {{More citations needed}} (August 2024), ... (August 2024, September 2024) |
| Bear Island (Svalbard) | Low | C | 3 | September 2010 | Dead external links {{dead link}} (September 2010), ... (February 2011), Failed verification (February 2011) |
| Beau Geste hypothesis | Low | Stub | 1 | March 2018 | ... (March 2018) |
| Beauchene Island | Low | Start | 3 | July 2010 | ... (July 2010), Clarification needed (May 2015), Dead external links {{dead link}} (August 2021) |
| Bee hummingbird | High | C | 1 | May 2021 | ... (May 2021) |
| Belum-Temengor | Low | Start | 2 | August 2019 | ... (August 2019, December 2021) |
| Bergische Schlotterkamm | Low | Start | 1 | January 2017 | ... (January 2017) |
| Bermuda petrel | Low | Start | 2 | March 2016 | ... (March 2016, August 2022) |
| Big Bird | Low | Start | 1 | July 2024 | ... (July 2024) |
| Big year | Low | Start | 1 | June 2023 | ... (June 2023) |
| Bill Lishman | Low | B | 2 | 2017 | Potentially dated statements (2017), ... (April 2020) |
| Binoculars | Mid | C | 2 | July 2022 | ... (July 2022), Unsourced passages need footnotes {{More citations needed}} (July 2025) |
| Bird Island (Namibia) | Low | Start | 1 | February 2021 | ... (February 2021) |
| Bird Island, South Georgia | Low | Start | 1 | September 2010 | ... (September 2010) |
| Bird anatomy | Top | B | 4 | September 2018 | Unsourced passages need footnotes {{More citations needed}} (September 2018), Clarification needed (April 2021), CS1 errors: ISBN date, ... (February 2026) |
| Bird control | Low | Stub | 3 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009), CS1 errors: generic name, ... (October 2024) |
| Bird control spike | Low | C | 1 | July 2021 | ... (July 2021) |
| Bird egg | Mid | Start | 4 | December 2012 | ... (December 2012, February 2021), Page number citations needed (January 2021), Expansion needed (May 2024) |
| Bird feeder | Mid | C | 1 | January 2023 | ... (January 2023) |
| Bird feeding | High | C | 1 | November 2010 | ... (November 2010) |
| Bird flight | Top | C | 3 | April 2009 | ... (April 2009), Dead external links {{dead link}} (February 2019), Unsourced passages need footnotes {{More citations needed}} (April 2020) |
| Bird hybrid | Mid | Start | 1 | May 2021 | ... (May 2021) |
| Bird intelligence | High | B | 3 | July 2011 | Clarification needed (July 2011), ... (September 2015, June 2020) |
| Bird kill | Low | Start | 1 | January 2023 | ... (January 2023) |
| Bird of prey | Top | C | 3 | April 2020 | Page number citations needed (April 2020), ... (September 2020, June 2024) |
| Bird of the Year | Low | Start | 2 | August 2022 | ... (August 2022), Failed verification (November 2024) |
| Bird ringing | High | B | 2 | July 2014 | Clarification needed (July 2014), ... (October 2024) |
| Bird scarer | Low | Start | 3 | June 2009 | Unsourced passages need footnotes {{More citations needed}} (June 2009), Has general references but lacks inline footnotes (June 2009), ... (November 2017) |
| Bird singing contest | Low | Start | 1 | May 2024 | ... (May 2024) |
| Bird strike | Mid | B | 4 | November 2010 | ... (November 2010), Dead external links {{dead link}} (September 2017, July 2020), Limited geographic scope (June 2025) |
| Bird vision | High | B | 4 | December 2014 | ... (December 2014, September 2015, June 2021), Failed verification (August 2025) |
| Bird vocalization | Top | B | 5 | September 2011 | Expansion needed (September 2011), ... (February 2022), Vague or ambiguous time (August 2022), Dead external links {{dead link}} (October 2023), CS1 errors: ISBN date |
| Bird-of-paradise | High | C | 3 | March 2025 | ... (March 2025, July 2025), Update needed (March 2025) |
| Birdcage | Low | Start | 1 | January 2021 | ... (January 2021) |
| Black crowned crane | Low | Start | 2 | January 2021 | ... (January 2021, June 2023) |
| Black flowerpiercer | Low | Stub | 1 | November 2021 | ... (November 2021) |
| Black grouse | Mid | Start | 2 | September 2010 | Unsourced passages need footnotes {{More citations needed}} (September 2010), ... (October 2020) |
| Black lark | Low | Start | 1 | July 2016 | ... (July 2016) |
| Black mannikin | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Black paradise flycatcher | Low | Start | 1 | July 2023 | ... (July 2023) |
| Black swan | Mid | C | 3 | August 2021 | Cites unreliable sources (August 2021), ... (July 2022, April 2025) |
| Black-bellied myzomela | Low | Stub | 2 | May 2024 | ... (May 2024), Unsourced passages need footnotes {{More citations needed}} (October 2024) |
| Black-breasted puffleg | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Black-collared lovebird | Mid | Start | 1 | November 2025 | ... (November 2025) |
| Black-crowned night heron | Low | C | 1 | October 2024 | ... (October 2024) |
| Black-faced grassquit | Low | Start | 1 | November 2020 | ... (November 2020) |
| Black-headed honeyeater | Low | Start | 1 | August 2022 | ... (August 2022) |
| Black-headed parrot | Low | Start | 1 | March 2023 | ... (March 2023) |
| Black-legged kittiwake | Low | Start | 3 | May 2024 | Vague or ambiguous geographic scope (May 2024), Weasel-worded phrases (May 2024), ... (May 2024) |
| Black-lored parrot | Low | Start | 1 | November 2020 | ... (November 2020) |
| Black-spotted bare-eye | Low | Start | 1 | June 2024 | ... (June 2024) |
| Black-tailed gull | Low | Start | 1 | February 2025 | ... (February 2025) |
| Black-throated green warbler | Low | Start | 1 | October 2025 | ... (October 2025) |
| Black-throated sparrow | Low | Stub | 1 | November 2023 | ... (November 2023) |
| Blackpoll warbler | Low | Start | 1 | April 2015 | ... (April 2015) |
| Blinders (poultry) | Mid | C | 1 | October 2020 | ... (October 2020) |
| Bloedel Conservatory | Low | Start | 2 | May 2014 | Promotional tone (May 2014), ... (August 2025) |
| Blood pheasant | Low | Start | 1 | March 2021 | ... (March 2021) |
| Blue eared pheasant | Low | Start | 2 | May 2025 | Unsourced passages need footnotes {{More citations needed}} (May 2025), ... (November 2025) |
| Blue-and-yellow macaw | Mid | Start | 1 | October 2024 | ... (October 2024) |
| Blue-cheeked amazon | Low | Start | 1 | March 2023 | ... (March 2023) |
| Blue-eared barbet | Low | Stub | 1 | April 2019 | ... (April 2019) |
| Blue-fronted amazon | Low | Start | 1 | August 2024 | ... (August 2024) |
| Blue-headed quail-dove | Mid | Start | 1 | July 2024 | ... (July 2024) |
| Blue-winged kookaburra | Low | Start | 1 | March 2012 | ... (March 2012) |
| Blyth's tragopan | Low | Start | 1 | March 2025 | ... (March 2025) |
| Boano monarch | Low | Stub | 1 | October 2018 | ... (October 2018) |
| Boat-tailed grackle | Low | Start | 1 | July 2023 | ... (July 2023) |
| Boatswain Bird Island | Low | Stub | 2 | May 2020 | ... (May 2020), Unsourced passages need footnotes {{More citations needed}} (October 2022) |
| Boodjamulla National Park | Low | C | 3 | October 2020 | ... (October 2020, June 2022), Page number citations needed (January 2024) |
| Book of Indian Birds | Low | Stub | 1 | March 2012 | ... (March 2012) |
| Boondelbah Island | Low | Start | 1 | August 2024 | ... (August 2024) |
| Booted eagles | Low | Start | 1 | May 2018 | ... (May 2018) |
| Boreal owl | Low | Start | 1 | January 2026 | ... (January 2026) |
| Bounty Islands | Low | Start | 1 | May 2024 | ... (May 2024) |
| Brace's emerald | Low | Start | 1 | March 2024 | ... (March 2024) |
| Braekel | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Brahma chicken | Low | Start | 1 | July 2013 | ... (July 2013) |
| Branta | Mid | Start | 1 | November 2022 | ... (November 2022) |
| Brazilian merganser | Low | Start | 3 | January 2009 | Has general references but lacks inline footnotes (January 2009), ... (June 2009), Dead external links {{dead link}} (November 2016) |
| Breed standard | Low | Start | 1 | December 2020 | ... (December 2020) |
| Bristlebird | High | Start | 1 | July 2012 | ... (July 2012) |
| British finches | Low | Start | 2 | January 2018 | ... (January 2018), Weasel-worded phrases (September 2024) |
| Broad-winged hawk | Low | Start | 2 | October 2011 | ... (October 2011), Cites unreliable sources (October 2011) |
| Broiler | Low | C | 4 | January 2014 | ... (January 2014), Potentially dated statements (2018), CS1 errors: requires URL, Update needed (February 2021) |
| Bronze fallow cockatiel | Low | Stub | 1 | August 2023 | ... (August 2023) |
| Brood patch | Low | Start | 1 | February 2026 | ... (February 2026) |
| Broodiness | Low | C | 1 | November 2014 | ... (November 2014) |
| Brotogeris | Mid | Stub | 1 | November 2020 | ... (November 2020) |
| Brown bullfinch | Low | Stub | 1 | December 2010 | ... (December 2010) |
| Brown fish owl | Low | Start | 2 | October 2020 | ... (October 2020), CS1 errors: periodical ignored |
| Brown wood rail | Low | Start | 1 | October 2022 | ... (October 2022) |
| Brown-backed parrotlet | Low | Start | 3 | January 2012 | ... (January 2012), Has general references but lacks inline footnotes (January 2025), Unsourced passages need footnotes {{More citations needed}} (January 2025) |
| Brown-headed cowbird | Low | C | 1 | February 2024 | ... (February 2024) |
| Brown-headed parrot | Low | Start | 1 | July 2008 | ... (July 2008) |
| Bruce's green pigeon | Low | Stub | 1 | July 2025 | ... (July 2025) |
| Brumlow Top | Low | Stub | 1 | April 2013 | ... (April 2013) |
| Bruny Island | Low | Start | 2 | January 2020 | ... (January 2020, May 2023) |
| Budgerigar | Mid | C | 2 | September 2021 | ... (September 2021), Dead external links {{dead link}} (October 2023) |
| Buff-breasted buttonquail | Mid | C | 1 | January 2025 | ... (January 2025) |
| Buff-throated woodcreeper | Low | C | 1 | June 2023 | ... (June 2023) |
| Bufflehead | Low | C | 1 | July 2025 | ... (July 2025) |
| Buffy fish owl | Low | C | 1 | January 2021 | ... (January 2021) |
| Buffy tuftedcheek | Low | Start | 1 | August 2023 | ... (August 2023) |
| Bulbul | High | C | 2 | June 2020 | ... (June 2020), Weasel-worded phrases (June 2020) |
| Bullock's oriole | Low | Start | 2 | February 2021 | ... (February 2021), Unsourced passages need footnotes {{More citations needed}} (February 2021) |
| Bulwer's petrel | Low | Start | 2 | December 2016 | ... (December 2016), Dead external links {{dead link}} (March 2020) |
| Bumblefoot (infection) | Low | Start | 2 | March 2015 | ... (March 2015, January 2019) |
| Burchell's sandgrouse | Low | Start | 1 | February 2025 | ... (February 2025) |
| Bush stone-curlew | Low | Start | 2 | August 2019 | ... (August 2019, October 2021) |
| Bustard | High | C | 2 | April 2013 | ... (April 2013, October 2023) |
| Cacholote | Mid | Stub | 1 | March 2025 | ... (March 2025) |
| Cacique (bird) | Mid | Start | 1 | September 2014 | ... (September 2014) |
| Caique | Mid | Start | 2 | January 2024 | ... (January 2024, December 2024) |
| Calciavis | Low | Start | 1 | December 2023 | ... (December 2023) |
| California gull | Low | Start | 2 | October 2023 | Dead external links {{dead link}} (October 2023), ... (April 2024) |
| California towhee | Low | Start | 2 | September 2021 | ... (September 2021, March 2023) |
| Campine chicken | Low | Start | 1 | August 2014 | ... (August 2014) |
| Canada goose | Mid | C | 4 | February 2011 | ... (February 2011, January 2017, August 2024), Vague or ambiguous time (January 2025) |
| Canary Islands oystercatcher | Low | B | 2 | May 2020 | Has general references but lacks inline footnotes (May 2020), ... (July 2025) |
| Candling | Low | C | 2 | May 2014 | ... (May 2014), Unsourced passages need footnotes {{More citations needed}} (June 2014) |
| Cantabrian capercaillie | Low | Start | 3 | November 2011 | ... (November 2011), Dead external links {{dead link}} (November 2016, November 2018) |
| Canvasback | Low | Start | 2 | January 2021 | ... (January 2021, February 2025) |
| Canyon towhee | Low | Start | 1 | September 2021 | ... (September 2021) |
| Cape Hallett | Low | Start | 1 | February 2026 | ... (February 2026) |
| Cape parrot | Mid | Start | 1 | December 2013 | ... (December 2013) |
| Capillaria philippinensis | Low | Start | 2 | March 2025 | ... (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025) |
| Car hawking | Low | Stub | 1 | March 2021 | ... (March 2021) |
| Cardinal lory | Low | Start | 1 | April 2009 | ... (April 2009) |
| Carinatae | Low | Start | 1 | October 2020 | ... (October 2020) |
| Carla Dove (BLP) | Low | C | 2 | July 2018 | ... (July 2018), Vague or ambiguous time (July 2018) |
| Carlingford Lough | Low | Start | 2 | May 2020 | ... (May 2020, February 2024) |
| Carolina parakeet | Mid | C | 2 | December 2025 | CS1 errors: ISBN date, ... (December 2025) |
| Caspian plover | Low | Start | 1 | November 2025 | ... (November 2025) |
| Cassowary | Mid | C | 3 | 2019 | Potentially dated statements (2019), ... (January 2022), Clarification needed (July 2024) |
| Cathartes | Mid | Start | 1 | November 2025 | ... (November 2025) |
| Centrocercus | Mid | Start | 2 | May 2015 | Unsourced passages need footnotes {{More citations needed}} (May 2015), ... (January 2022) |
| Cettiidae | High | Start | 1 | March 2023 | ... (March 2023) |
| Charles Alexander Fleming | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Charles Bendire | Low | Start | 1 | March 2024 | ... (March 2024) |
| Charles Lucien Bonaparte | Mid | Start | 1 | September 2024 | ... (September 2024) |
| Charles Walter De Vis | Low | Start | 1 | December 2010 | ... (December 2010) |
| Charles Waterton | Mid | Start | 3 | December 2013 | Cites unreliable sources (December 2013), ... (November 2021), CS1 errors: ISBN date |
| Cher Ami | Low | Start | 1 | March 2021 | ... (March 2021) |
| Chestnut-bellied sandgrouse | Low | C | 1 | December 2020 | ... (December 2020) |
| Chestnut-fronted macaw | Low | Start | 1 | November 2015 | ... (November 2015) |
| Chestnut-headed oropendola | Low | Stub | 2 | March 2012 | Unsourced passages need footnotes {{More citations needed}} (March 2012), ... (June 2025) |
| Chick culling | High | C | 1 | October 2025 | ... (October 2025) |
| Chick sexing | Low | Start | 1 | July 2025 | ... (July 2025) |
| Chicken as biological research model | Low | C | 1 | July 2012 | ... (July 2012) |
| Chiltern-Mt Pilot National Park | Low | B | 1 | August 2014 | ... (August 2014) |
| Chimney swift | Low | B | 3 | August 2018 | ... (August 2018), Dead external links {{dead link}} (December 2023), CS1 errors: ISBN date |
| Chinese bamboo partridge | Low | Start | 1 | May 2024 | ... (May 2024) |
| Chinese monal | Low | Stub | 2 | September 2025 | Clarification needed (September 2025), ... (September 2025) |
| Chinese pond heron | Low | Start | 1 | September 2019 | ... (September 2019) |
| Chinspot batis | Low | Start | 1 | May 2024 | ... (May 2024) |
| Chris Perrins (BLP) | Low | Stub | 4 | July 2016 | Potentially dated statements (2016), ... (July 2016, February 2018), Dead external links {{dead link}} (June 2025) |
| Christmas Bird Count | Mid | Start | 2 | August 2018 | Unsourced passages need footnotes {{More citations needed}} (August 2018), ... (February 2024) |
| Chubut steamer duck | Low | Start | 1 | July 2024 | ... (July 2024) |
| Cinereous tinamou | Low | Start | 2 | February 2009 | ... (February 2009), CS1 errors: archive-url |
| Cinnamon-rumped seedeater | Low | Stub | 1 | November 2020 | ... (November 2020) |
| Cirl bunting | Low | Start | 2 | February 2018 | ... (February 2018, January 2019) |
| Citreoline trogon | Low | Start | 1 | April 2017 | ... (April 2017) |
| Clark's nutcracker | Low | Start | 1 | June 2025 | ... (June 2025) |
| Cleft Island (Victoria) | Low | Stub | 1 | July 2021 | ... (July 2021) |
| Clinton Hart Merriam | Low | C | 1 | November 2018 | ... (November 2018) |
| Cochin chicken | Low | Start | 1 | January 2025 | ... (January 2025) |
| Cochoa | Mid | Stub | 1 | September 2010 | ... (September 2010) |
| Cockatiel | Mid | C | 1 | October 2024 | ... (October 2024) |
| Cockfighting | Mid | C | 7 | June 2020 | ... (June 2020, January 2022, May 2024), Potentially dated statements (2023), Unsourced passages need footnotes {{More citations needed}} (May 2024), Dead external links {{dead link}} (November 2024, June 2025) |
| Coconut lorikeet | Low | Start | 1 | March 2019 | ... (March 2019) |
| Colin Bradshaw (BLP) | Low | Start | 1 | August 2014 | ... (August 2014) |
| Collared lory | Mid | Start | 1 | September 2024 | ... (September 2024) |
| Collared whitestart | Low | Start | 1 | May 2024 | ... (May 2024) |
| Columbidae | Top | GA | 3 | November 2017 | ... (November 2017, November 2019), Page number citations needed (July 2025) |
| Comb (anatomy) | Low | Start | 1 | December 2022 | ... (December 2022) |
| Common buttonquail | Low | Start | 1 | October 2024 | ... (October 2024) |
| Common chlorospingus | Low | C | 2 | December 2008 | ... (December 2008), Clarification needed (July 2020) |
| Common crane | Low | C | 1 | April 2023 | ... (April 2023) |
| Common eider | Mid | Start | 1 | June 2024 | ... (June 2024) |
| Common greenshank | Low | Start | 1 | March 2024 | ... (March 2024) |
| Common kestrel | Low | B | 1 | January 2009 | ... (January 2009) |
| Common kingfisher | Low | B | 2 | January 2021 | ... (January 2021), Unsourced passages need footnotes {{More citations needed}} (January 2021) |
| Common murre | Low | C | 5 | January 2012 | ... (January 2012, May 2013, September 2014, August 2024), Update needed (December 2024) |
| Common nighthawk | Low | B | 1 | June 2023 | ... (June 2023) |
| Common ostrich | Top | B | 4 | November 2013 | Page number citations needed (November 2013), Dead external links {{dead link}} (December 2023), CS1 errors: ISBN date, ... (November 2025) |
| Common pheasant | Low | C | 4 | March 2009 | Factual verification needed (March 2009), ... (May 2014, December 2024, May 2025) |
| Common raven | High | FA | 1 | June 2025 | ... (June 2025) |
| Common redstart | Low | Start | 2 | June 2019 | ... (June 2019), Vague or ambiguous time (April 2022) |
| Common reed bunting | Low | Start | 1 | June 2023 | ... (June 2023) |
| Common rosefinch | Low | Start | 2 | January 2016 | ... (January 2016), Dead external links {{dead link}} (March 2020) |
| Common swift | Mid | Start | 3 | February 2024 | Clarification needed (February 2024), ... (September 2024, June 2025) |
| Condor | Mid | Start | 2 | March 2017 | ... (March 2017, November 2025) |
| Confuciusornis | Mid | B | 3 | December 2018 | Page number citations needed (December 2018), ... (March 2022), Weasel-worded phrases (March 2022) |
| Congo peafowl | Mid | Start | 1 | May 2021 | ... (May 2021) |
| Cook's petrel | Low | Start | 1 | November 2011 | ... (November 2011) |
| Coraciiformes | High | C | 1 | December 2022 | ... (December 2022) |
| Cormorant | High | C | 9 | November 2007 | Factual verification needed (November 2007), ... (June 2016, July 2018, May 2020, October 2020, September 2024), Update needed (June 2023), Cites unreliable sources (September 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Cornish game hen | Low | Start | 1 | November 2018 | ... (November 2018) |
| Corvidae | High | B | 1 | February 2025 | ... (February 2025) |
| Corvus | Mid | C | 12 | June 2011 | Cites unreliable sources (June 2011), ... (December 2012, October 2020, January 2025), Limited geographic scope (July 2014), CS1 errors: missing periodical, Weasel-worded phrases (October 2020), Unsourced passages need footnotes {{More citations needed}} (October 2020), CS1 errors: missing title, CS1 errors: bare URL, CS1 errors: ISBN date, Dead external links {{dead link}} (June 2025) |
| Cossypha | Mid | Stub | 1 | February 2007 | ... (February 2007) |
| Courser | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Courtship display | Low | C | 2 | March 2020 | ... (March 2020), Clarification needed (March 2020) |
| Crane (bird) | High | C | 3 | January 2020 | ... (January 2020, December 2020, April 2021) |
| Crested caracara | Low | Start | 3 | August 2014 | Dead external links {{dead link}} (August 2014), ... (April 2020, January 2026) |
| Crested honey buzzard | Low | C | 2 | November 2022 | ... (November 2022), CS1 errors: periodical ignored |
| Crested ibis | Low | Stub | 1 | November 2014 | ... (November 2014) |
| Crested jayshrike | Mid | Stub | 1 | February 2025 | ... (February 2025) |
| Crested moa | Low | Start | 1 | November 2013 | ... (November 2013) |
| Crested penguin | Mid | Start | 2 | December 2011 | Weasel-worded phrases (December 2011), ... (January 2024) |
| Crimson-collared tanager | Low | Start | 1 | March 2009 | ... (March 2009) |
| Crimson-fronted barbet | Low | Stub | 1 | April 2025 | ... (April 2025) |
| Croad Langshan | Low | Start | 1 | August 2014 | ... (August 2014) |
| Crossleyia | Low | Stub | 1 | June 2025 | ... (June 2025) |
| Crotophaginae | Mid | Stub | 1 | June 2012 | ... (June 2012) |
| Crow (heraldry) | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Crozet shag | Low | Start | 1 | March 2021 | ... (March 2021) |
| Cuban red-tailed hawk | Low | Stub | 1 | June 2023 | ... (June 2023) |
| Cuckoo | High | C | 2 | January 2019 | Unsourced passages need footnotes {{More citations needed}} (January 2019), ... (November 2019) |
| Cuculus | Mid | Start | 1 | December 2007 | ... (December 2007) |
| Cultural depictions of penguins | Low | Start | 4 | May 2011 | Unsourced passages need footnotes {{More citations needed}} (May 2011), ... (May 2011), Clarification needed (May 2011), Accuracy disputes or self-published (March 2022) |
| Cultural depictions of ravens | Mid | Start | 5 | November 2009 | ... (November 2009, February 2020, October 2023, November 2025), Page number citations needed (January 2024) |
| Curve-billed thrasher | Low | GA | 1 | May 2024 | ... (May 2024) |
| Cygnus falconeri | Low | Stub | 1 | October 2025 | ... (October 2025) |
| Cyprus dipper | Low | Stub | 1 | June 2010 | ... (June 2010) |
| Cypsiurus | Mid | Stub | 1 | October 2025 | ... (October 2025) |
| Côme-Damien Degland | Low | Stub | 1 | September 2015 | ... (September 2015) |
| DAD-IS | Low | List | 4 | March 2024 | ... (March 2024, April 2025), Failed verification (March 2024), Cites unreliable sources (September 2024) |
| DC Bird Alliance | Low | Stub | 1 | May 2025 | ... (May 2025) |
| Dactyly | Mid | List | 2 | February 2010 | ... (February 2010, November 2021) |
| Daines Barrington | Low | Start | 3 | September 2023 | ... (September 2023), Clarification needed (December 2025), Vague or ambiguous time (December 2025) |
| Dark-eyed junco | Low | C | 2 | October 2017 | ... (October 2017, December 2020) |
| Daurian partridge | Low | Start | 2 | September 2017 | Unsourced passages need footnotes {{More citations needed}} (September 2017), ... (October 2020) |
| David Tipling (BLP) | Low | B | 3 | June 2008 | ... (June 2008, May 2022), Incomplete lists (December 2010) |
| Dawn chorus (birds) | Low | Start | 1 | May 2022 | ... (May 2022) |
| Dawson-Lambton Glacier | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Deception Island | Low | C | 3 | July 2020 | Cites unreliable sources (July 2020), ... (July 2020, February 2024) |
| Deep Play: Notes on the Balinese Cockfight | Low | Start | 5 | June 2011 | Unsourced passages need footnotes {{More citations needed}} (June 2011), Cites unreliable sources (May 2024), Weasel-worded phrases (May 2024), Introduction cleanup (May 2024), ... (May 2024) |
| Demoiselle crane | Low | Start | 2 | February 2013 | ... (February 2013), Disputed statements (July 2013) |
| Derek Mooney (BLP) | Low | C | 2 | November 2011 | Vague or ambiguous time (November 2011), ... (January 2019) |
| Devil Bird | Low | Start | 1 | August 2020 | ... (August 2020) |
| Dhilba Guuranda–Innes National Park | Low | C | 2 | May 2021 | ... (May 2021), Expansion needed (June 2021) |
| Diamond dove | Low | Start | 1 | March 2021 | ... (March 2021) |
| Diglossopis | Mid | Stub | 1 | May 2007 | ... (May 2007) |
| Dinornis | Low | C | 1 | February 2025 | ... (February 2025) |
| Diving bird | Low | Stub | 2 | May 2021 | Cites unreliable sources (May 2021), ... (May 2021) |
| Dolphin gull | Low | Start | 1 | July 2023 | ... (July 2023) |
| Domestic Muscovy duck | Low | Start | 2 | November 2016 | Unsourced passages need footnotes {{More citations needed}} (November 2016), ... (March 2025) |
| Domestic canary | Low | C | 2 | March 2022 | ... (March 2022), Link rot cleanup (August 2025) |
| Domestic pigeon | Low | C | 7 | July 2019 | Accuracy disputes or self-published (July 2019, April 2023), Dead external links {{dead link}} (September 2024), ... (March 2025), Unsourced passages need footnotes {{More citations needed}} (March 2025), Clarification needed (January 2026), Weasel-worded phrases (January 2026) |
| Domestic turkey | Low | C | 8 | September 2008 | ... (September 2008, April 2011, November 2011, November 2015, January 2021, August 2025), Dead external links {{dead link}} (December 2016), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Donald Duck | Low | C | 3 | December 2010 | ... (December 2010, June 2011, June 2023) |
| Donald Kroodsma (BLP) | Low | Stub | 1 | January 2023 | ... (January 2023) |
| Doria's hawk | Low | Stub | 2 | January 2020 | Unsourced passages need footnotes {{More citations needed}} (January 2020), ... (May 2024) |
| Dot-backed antbird | Low | Start | 1 | July 2024 | ... (July 2024) |
| Dovecote | Low | C | 3 | September 2016 | Unsourced passages need footnotes {{More citations needed}} (September 2016, September 2025), ... (August 2018) |
| Down feather | Low | C | 1 | July 2022 | ... (July 2022) |
| Drakensberg prinia | Low | Start | 1 | October 2023 | ... (October 2023) |
| Driven grouse shooting | Low | C | 3 | June 2015 | Dead external links {{dead link}} (June 2015, December 2019), ... (August 2025) |
| Dromornis | Low | C | 2 | December 2013 | ... (December 2013, May 2021) |
| Dromornithidae | Low | C | 4 | September 2013 | ... (September 2013, May 2021), Page number citations needed (October 2018), Unsourced passages need footnotes {{More citations needed}} (May 2024) |
| Duchess lorikeet | Low | Start | 1 | February 2026 | ... (February 2026) |
| Duck call | Low | Start | 1 | July 2025 | ... (July 2025) |
| Duck hepatitis B virus | Low | Start | 1 | November 2022 | ... (November 2022) |
| Ducks Unlimited | Low | C | 1 | March 2023 | ... (March 2023) |
| Dusky grouse | Low | Start | 1 | November 2024 | ... (November 2024) |
| Dusky munia | Low | Start | 1 | June 2023 | ... (June 2023) |
| Dusky woodswallow | Low | GA | 1 | August 2022 | ... (August 2022) |
| Dusky-headed parakeet | Low | Start | 3 | March 2008 | ... (March 2008, September 2011, August 2019) |
| Dusky-legged guan | Low | Stub | 1 | August 2018 | ... (August 2018) |
| Dutch Bantam | Low | C | 1 | May 2018 | ... (May 2018) |
| Dutch Cropper | Low | C | 1 | December 2025 | ... (December 2025) |
| Eagle | High | C | 3 | July 2016 | Unsourced passages need footnotes {{More citations needed}} (July 2016), ... (June 2024), Weasel-worded phrases (June 2024) |
| Eared dove | Low | Start | 1 | August 2014 | ... (August 2014) |
| East Sand Island | Unknown | Start | 2 | December 2025 | ... (December 2025), Failed verification (December 2025) |
| Eastern great egret | Low | Start | 1 | January 2016 | ... (January 2016) |
| Eastern moa | Low | Start | 2 | September 2017 | Dead external links {{dead link}} (September 2017), ... (February 2025) |
| Eastern osprey | Low | C | 6 | December 2018 | ... (December 2018, October 2023), Dead external links {{dead link}} (October 2023), Potentially dated statements (2024, July 2024), Clarification needed (August 2025) |
| Eastern whip-poor-will | Mid | Start | 1 | December 2023 | ... (December 2023) |
| Eddystone (Tasmania) | Low | Start | 2 | July 2015 | Vague or ambiguous time (July 2015), ... (July 2015) |
| Edgar Chance | Low | Start | 1 | October 2015 | ... (October 2015) |
| Edible bird's nest | Low | Start | 1 | July 2021 | ... (July 2021) |
| Edible-nest swiftlet | Low | Start | 1 | November 2025 | ... (November 2025) |
| Edward Grey Institute of Field Ornithology | Mid | Start | 2 | July 2014 | Unsourced passages need footnotes {{More citations needed}} (July 2014), ... (August 2015) |
| Edward Grey, 1st Viscount Grey of Fallodon | Low | Start | 3 | October 2020 | ... (October 2020), Factual verification needed (January 2021), Page number citations needed (January 2021) |
| Eider | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Eleonora cockatoo | Low | Stub | 1 | March 2023 | ... (March 2023) |
| Elizabeth Gwillim (bird artist) | Low | Start | 1 | August 2022 | ... (August 2022) |
| Emperor penguin | High | FA | 3 | March 2025 | ... (March 2025), CS1 errors: ISBN date, Dead external links {{dead link}} (December 2025) |
| Enantiornithes | High | B | 2 | April 2014 | Page number citations needed (April 2014), ... (March 2021) |
| Eugene Eisenmann | Low | Start | 2 | September 2018 | Unsourced passages need footnotes {{More citations needed}} (September 2018), ... (September 2018) |
| Eugene Rey | Low | Start | 1 | December 2023 | ... (December 2023) |
| Eurasian blue tit | Low | B | 1 | October 2025 | ... (October 2025) |
| Eurasian dotterel | Low | Start | 1 | February 2016 | ... (February 2016) |
| Eurasian goshawk | Low | B | 4 | March 2023 | CS1 errors: generic name, ... (March 2023, September 2024), CS1 errors: ISBN date |
| Eurasian griffon vulture | Low | Start | 1 | July 2025 | ... (July 2025) |
| Eurasian hoopoe | Low | C | 1 | July 2025 | ... (July 2025) |
| Eurasian magpie | Low | C | 2 | November 2013 | ... (November 2013), Clarification needed (January 2023) |
| Eurasian teal | Low | B | 1 | May 2016 | ... (May 2016) |
| Eurasian whimbrel | Low | C | 1 | March 2022 | ... (March 2022) |
| Eurasian wren | Low | C | 1 | May 2025 | ... (May 2025) |
| European bee-eater | Low | Start | 1 | October 2012 | ... (October 2012) |
| European herring gull | Mid | B | 3 | September 2014 | Unsourced passages need footnotes {{More citations needed}} (September 2014), ... (June 2023), CS1 errors: ISBN date |
| European honey buzzard | Low | C | 1 | April 2022 | ... (April 2022) |
| European robin | High | GA | 2 | February 2024 | ... (February 2024, March 2024) |
| European roller | Low | C | 2 | June 2024 | ... (June 2024, January 2026) |
| European shag | High | C | 2 | April 2020 | Unsourced passages need footnotes {{More citations needed}} (April 2020), ... (January 2025) |
| Evolution of birds | Top | C | 2 | June 2023 | ... (June 2023, June 2024) |
| Exmouth Gulf | Low | Start | 2 | June 2007 | ... (June 2007, June 2008) |
| F. C. R. Jourdain | Low | Stub | 2 | October 2021 | Clarification needed (October 2021), ... (March 2024) |
| Fairy-bluebird | High | C | 1 | January 2024 | ... (January 2024) |
| Falconry | High | B | 9 | September 2013 | Page number citations needed (September 2013), ... (April 2016, April 2024, September 2024, April 2025), Style editing needed (November 2022), Unsourced passages need footnotes {{More citations needed}} (November 2022), Original research (April 2024), Clarification needed (April 2025) |
| Fantail pigeon | Low | Stub | 3 | July 2015 | ... (July 2015), Dead external links {{dead link}} (December 2019), Link rot cleanup (August 2025) |
| Fastest animals | Low | List | 6 | October 2017 | Cites unreliable sources (October 2017), ... (June 2018, September 2018), CS1 errors: missing periodical, Disputed statements (October 2021), CS1 errors: ISBN date |
| Feather pecking | Low | C | 1 | November 2025 | ... (November 2025) |
| Field guide | Low | Start | 1 | June 2013 | ... (June 2013) |
| Fiery-billed aracari | Mid | Start | 1 | December 2022 | ... (December 2022) |
| Finn's weaver | Low | Stub | 1 | February 2022 | ... (February 2022) |
| Fitzroy River (Queensland) | Low | C | 1 | November 2015 | ... (November 2015) |
| Forced molting | Low | Start | 3 | January 2015 | Clarification needed (January 2015), ... (July 2016), Dead external links {{dead link}} (December 2019) |
| Foro panarium | Low | Stub | 1 | April 2025 | ... (April 2025) |
| Forty-spotted pardalote | Low | Start | 2 | September 2021 | Potentially dated statements (September 2021), ... (September 2021) |
| Fowl | High | Start | 1 | January 2011 | ... (January 2011) |
| Frogmouth | High | Start | 1 | January 2025 | ... (January 2025) |
| Fruithunter | Mid | Stub | 1 | November 2011 | ... (November 2011) |
| Furnished cage | Mid | C | 2 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020), ... (May 2020) |
| Galah | Mid | C | 1 | December 2013 | ... (December 2013) |
| Galapagos penguin | Low | Start | 6 | November 2023 | CS1 errors: requires URL, Unsourced passages need footnotes {{More citations needed}} (November 2023), Failed verification (May 2025), Cites unreliable sources (May 2025), ... (May 2025), Vague or ambiguous time (January 2026) |
| Galliformes | Top | C | 5 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010), ... (September 2012, June 2025), Has general references but lacks inline footnotes (November 2015), Incomplete citations (April 2022) |
| Garden sunbird | Low | Start | 2 | December 2023 | ... (December 2023, September 2024) |
| Gastrolith | Mid | C | 4 | May 2019 | ... (May 2019, December 2022, January 2026), Clarification needed (February 2022) |
| George Montagu (naturalist) | Low | Start | 1 | October 2020 | ... (October 2020) |
| Geronticus | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Giant Runt | Low | Stub | 1 | May 2017 | ... (May 2017) |
| Giant petrel | Mid | C | 1 | September 2022 | ... (September 2022) |
| Gillett's lark | Low | Stub | 1 | May 2024 | ... (May 2024) |
| Gippsland Lakes | Low | C | 1 | October 2017 | ... (October 2017) |
| Giriraja | Low | Start | 1 | May 2025 | ... (May 2025) |
| Gizzard | Low | Start | 2 | November 2021 | ... (November 2021), Page number citations needed (January 2025) |
| Glaslyn Osprey Project | Low | Start | 2 | February 2014 | ... (February 2014, March 2017) |
| Glaucous macaw | Mid | Start | 1 | July 2018 | ... (July 2018) |
| Glen Chilton (BLP) | Low | Start | 2 | March 2017 | ... (March 2017), Notability unclear (December 2017) |
| Glossy black cockatoo | Mid | C | 1 | February 2026 | ... (February 2026) |
| Glossy ibis | Low | C | 1 | January 2026 | ... (January 2026) |
| Gluepot Reserve | Low | Stub | 1 | March 2017 | ... (March 2017) |
| Golden eagle | Low | B | 2 | October 2019 | ... (October 2019, May 2024) |
| Golden eagles in human culture | Low | C | 2 | April 2015 | ... (April 2015), Page number citations needed (September 2024) |
| Golden pheasant | Low | Start | 2 | April 2019 | Unsourced passages need footnotes {{More citations needed}} (April 2019), ... (February 2024) |
| Golden-headed cisticola | Low | C | 1 | December 2021 | ... (December 2021) |
| Golden-plumed parakeet | Mid | C | 1 | March 2021 | ... (March 2021) |
| Golden-shouldered parrot | Low | Start | 3 | November 2025 | ... (November 2025, December 2025), Unsourced passages need footnotes {{More citations needed}} (December 2025) |
| Goldeneye (duck) | Low | Start | 1 | March 2025 | ... (March 2025) |
| Gouldian finch | Low | C | 1 | October 2023 | ... (October 2023) |
| Grace's warbler | Low | Start | 1 | March 2012 | ... (March 2012) |
| Great Sandy Strait | Low | C | 1 | January 2018 | ... (January 2018) |
| Great argus | Mid | C | 4 | January 2021 | ... (January 2021, February 2025), Has general references but lacks inline footnotes (October 2023), Cleanup needed (December 2025) |
| Great bowerbird | Mid | Start | 1 | October 2019 | ... (October 2019) |
| Great bustard | Mid | B | 3 | November 2017 | Disputed statements (November 2017), ... (January 2018, December 2023) |
| Great cormorant | Low | C | 2 | June 2009 | ... (June 2009, January 2021) |
| Great green macaw | Mid | C | 2 | August 2019 | Disputed statements (August 2019), ... (August 2019) |
| Great grey owl | Low | C | 4 | August 2022 | ... (August 2022, April 2023, January 2026), Incomplete citations (January 2023) |
| Great grey shrike | Low | B | 3 | September 2009 | Factual verification needed (September 2009, January 2011), ... (December 2025) |
| Great hornbill | Low | B | 2 | December 2021 | ... (December 2021), CS1 errors: ISBN date |
| Great skua | Low | Start | 3 | August 2025 | ... (August 2025), Has general references but lacks inline footnotes (August 2025), Unsourced passages need footnotes {{More citations needed}} (August 2025) |
| Great-billed heron | Low | Start | 1 | May 2025 | ... (May 2025) |
| Great-tailed grackle | Low | Start | 3 | May 2013 | ... (May 2013, November 2016), Dead external links {{dead link}} (January 2020) |
| Great-winged petrel | Low | Start | 1 | April 2016 | ... (April 2016) |
| Greater flamingo | Mid | Start | 1 | February 2025 | ... (February 2025) |
| Greater honeyguide | Low | C | 1 | October 2025 | ... (October 2025) |
| Greater prairie-chicken | Low | Start | 3 | July 2010 | ... (July 2010, August 2018, September 2018) |
| Greater rhea | Low | B | 3 | July 2022 | Detailed references needed, ... (July 2022, December 2025) |
| Greater sand plover | Low | Start | 1 | January 2025 | ... (January 2025) |
| Greater scaup | Low | GA | 1 | August 2024 | ... (August 2024) |
| Greater white-fronted goose | Low | C | 2 | July 2011 | ... (July 2011), Dead external links {{dead link}} (January 2020) |
| Grebe | Top | C | 2 | April 2023 | ... (April 2023, November 2025) |
| Grecia (toucan) | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Green Pond Marsh | Low | Start | 1 | December 2020 | ... (December 2020) |
| Green aracari | Low | Start | 1 | April 2012 | ... (April 2012) |
| Green heron | Low | B | 1 | March 2024 | ... (March 2024) |
| Green pigeon | Mid | Stub | 1 | May 2025 | ... (May 2025) |
| Green-cheeked parakeet | Low | C | 2 | July 2009 | Unsourced passages need footnotes {{More citations needed}} (July 2009), ... (April 2024) |
| Green-winged teal | Low | Start | 1 | December 2023 | ... (December 2023) |
| Grey crowned crane | Low | Start | 2 | August 2015 | Unsourced passages need footnotes {{More citations needed}} (August 2015), ... (November 2024) |
| Grey goshawk | Low | Start | 1 | December 2020 | ... (December 2020) |
| Grey parrot | Mid | C | 2 | October 2023 | Clarification needed (October 2023), ... (October 2024) |
| Grey partridge | Mid | Start | 2 | November 2024 | ... (November 2024, February 2025) |
| Grey petrel | Low | Start | 1 | March 2021 | ... (March 2021) |
| Grey-backed camaroptera | Low | Start | 2 | December 2018 | ... (December 2018), Weasel-worded phrases (December 2018) |
| Grey-crowned woodpecker | Low | Start | 1 | January 2023 | ... (January 2023) |
| Grey-headed albatross | Low | C | 2 | March 2009 | ... (March 2009), Dead external links {{dead link}} (March 2017) |
| Grey-headed parakeet | Low | Start | 2 | July 2025 | Has general references but lacks inline footnotes (July 2025), ... (November 2025) |
| Grey-throated barbet | Low | Stub | 1 | November 2023 | ... (November 2023) |
| Grey-winged trumpeter | Low | Start | 1 | January 2026 | ... (January 2026) |
| Grouse | Mid | C | 1 | October 2020 | ... (October 2020) |
| Gruiformes | Top | C | 2 | April 2016 | ... (April 2016), Obsolete information (November 2025) |
| Guadalupe caracara | Low | Start | 1 | March 2021 | ... (March 2021) |
| Guam flycatcher | Low | Start | 1 | October 2020 | ... (October 2020) |
| Guam rail | Low | Start | 4 | October 2010 | Dead external links {{dead link}} (October 2010), ... (September 2024, May 2025), Update needed (December 2024) |
| Guanay cormorant | Low | Start | 2 | January 2022 | ... (January 2022, March 2025) |
| Guinea fowl | High | Start | 1 | August 2023 | ... (August 2023) |
| Gunnison sage-grouse | Low | Start | 1 | January 2025 | ... (January 2025) |
| Gwydir River | Low | C | 1 | September 2012 | ... (September 2012) |
| Hack (falconry) | Low | Start | 2 | April 2014 | ... (April 2014, May 2020) |
| Half Moon Island | Low | Start | 3 | April 2017 | ... (April 2017, August 2024), Unsourced passages need footnotes {{More citations needed}} (August 2024) |
| Harold Frith | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Hawaiian stilt | Low | Start | 1 | January 2014 | ... (January 2014) |
| Hawaiʻi ʻamakihi | Low | Start | 1 | December 2025 | ... (December 2025) |
| Hawk | Mid | B | 2 | August 2022 | ... (August 2022), Clarification needed (August 2024) |
| Hawk Mountain Sanctuary | Low | Start | 2 | February 2015 | ... (February 2015), Cites unreliable sources (December 2020) |
| Heath hen | Low | C | 3 | March 2017 | Unsourced passages need footnotes {{More citations needed}} (March 2017), ... (June 2023, December 2025) |
| Hen and Chicken Islands | Low | Start | 1 | June 2020 | ... (June 2020) |
| Hen harrier | Mid | Start | 1 | October 2021 | ... (October 2021) |
| Hermit thrush | Low | Start | 1 | December 2023 | ... (December 2023) |
| Heron | High | C | 1 | August 2025 | ... (August 2025) |
| Hieraves | Low | Stub | 1 | November 2024 | ... (November 2024) |
| Highland finch | Low | Start | 2 | November 2007 | ... (November 2007), Unsourced passages need footnotes {{More citations needed}} (July 2025) |
| Himmatsinhji M. K. | Low | B | 1 | June 2020 | ... (June 2020) |
| Hoatzin | High | C | 1 | February 2007 | ... (February 2007) |
| Hoffmann's woodpecker | Low | Start | 1 | January 2023 | ... (January 2023) |
| Homing pigeon | Low | C | 4 | January 2016 | ... (January 2016, March 2023), Clarification needed (January 2016), Dead external links {{dead link}} (August 2020) |
| Hooded crane | Low | Stub | 1 | June 2023 | ... (June 2023) |
| Hooded crow | Low | C | 5 | February 2022 | ... (February 2022, April 2022, May 2025), Cleanup needed (February 2022, February 2022) |
| Hooded vulture | Low | Start | 1 | June 2019 | ... (June 2019) |
| Hope Bay, Antarctica | Low | C | 3 | May 2024 | Articles using infobox body of water without alt, Articles using infobox body of water without pushpin map alt, ... (May 2024) |
| Horned guan | Mid | Start | 1 | April 2024 | ... (April 2024) |
| Horned screamer | Low | Start | 1 | November 2017 | ... (November 2017) |
| Houdan chicken | Low | Start | 1 | May 2022 | ... (May 2022) |
| Houtman Abrolhos | Low | B | 3 | 2007 | Potentially dated statements (2007, 2012), ... (March 2008) |
| Hubert Lynes | Low | Start | 1 | December 2019 | ... (December 2019) |
| Hudsonian whimbrel | Low | Start | 1 | October 2025 | ... (October 2025) |
| Huet's fulvetta | Low | Stub | 2 | December 2024 | ... (December 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Huffia | Low | Stub | 1 | May 2021 | ... (May 2021) |
| Humayun Abdulali | Low | B | 1 | January 2018 | ... (January 2018) |
| Hybridisation in terns | Low | Stub | 1 | February 2026 | ... (February 2026) |
| Ikara–Flinders Ranges National Park | Low | B | 2 | November 2023 | ... (November 2023), Potentially dated statements (August 2025) |
| Ilbandornis | Low | Stub | 3 | April 2017 | ... (April 2017, June 2019, January 2025) |
| Impey Album | Low | Start | 1 | April 2020 | ... (April 2020) |
| Inaccessible Island | Low | C | 3 | January 2020 | ... (January 2020, April 2024, October 2025) |
| Indian cuckoo | Low | Start | 1 | July 2020 | ... (July 2020) |
| Indian peafowl | Low | B | 2 | January 2025 | ... (January 2025), CS1 errors: ISBN date |
| Indian pond heron | Low | C | 1 | September 2019 | ... (September 2019) |
| Indian scops owl | Low | Start | 1 | August 2017 | ... (August 2017) |
| Indian vulture | Low | C | 2 | November 2023 | ... (November 2023), Dead external links {{dead link}} (August 2025) |
| Indochinese green magpie | Low | Start | 1 | February 2025 | ... (February 2025) |
| Inghams | Low | Start | 2 | June 2012 | ... (June 2012), Unsourced passages need footnotes {{More citations needed}} (September 2020) |
| Inland dotterel | Low | Start | 1 | November 2017 | ... (November 2017) |
| International Down and Feather Testing Laboratory | Low | C | 5 | May 2011 | Promotional tone (May 2011), Accuracy disputes or self-published (June 2022), ... (March 2024, May 2024, June 2024) |
| Interspecific feeding | Low | Stub | 1 | February 2026 | ... (February 2026) |
| Iole (bird) | Mid | Start | 1 | January 2026 | ... (January 2026) |
| Iskanderkul | Low | Start | 1 | May 2023 | ... (May 2023) |
| Isulijarniq Migratory Bird Sanctuary | Low | Stub | 1 | May 2015 | ... (May 2015) |
| Ivory-billed woodpecker | High | B | 4 | 2007 | Potentially dated statements (2007), Dead external links {{dead link}} (November 2023), Factual verification needed (March 2025), ... (June 2025) |
| Jack snipe | Mid | Start | 1 | October 2023 | ... (October 2023) |
| Jamaican petrel | Low | Stub | 1 | December 2020 | ... (December 2020) |
| James Clements (ornithologist) | Mid | Stub | 1 | December 2023 | ... (December 2023) |
| James Eike | Low | Start | 1 | January 2025 | ... (January 2025) |
| James Fisher (naturalist) | Low | Start | 3 | August 2008 | Incomplete lists (August 2008), Unsourced passages need footnotes {{More citations needed}} (February 2024), ... (February 2024) |
| James's flamingo | Low | Start | 2 | April 2010 | ... (April 2010), Dead external links {{dead link}} (February 2019) |
| Japanese scops owl | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Jason Islands | Low | C | 1 | October 2025 | ... (October 2025) |
| Jatayu vulture restaurant | Low | C | 1 | February 2024 | ... (February 2024) |
| Java sparrow | Low | Start | 1 | July 2025 | ... (July 2025) |
| Javan fulvetta | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Javan myna | Low | C | 1 | March 2019 | ... (March 2019) |
| Jemima Parry-Jones (BLP) | Low | Start | 2 | January 2025 | BLP articles lacking sources (January 2025), ... (January 2025) |
| Jerdon's babbler | Low | C | 2 | September 2019 | ... (September 2019), Dead external links {{dead link}} (July 2022) |
| Jeremy Greenwood (BLP) | Low | Stub | 2 | October 2008 | ... (October 2008), CS1 errors: missing title |
| Jersey Giant | Low | Stub | 1 | March 2023 | ... (March 2023) |
| Jervis Bay | Low | Start | 5 | February 2015 | Page number citations needed (February 2015), Articles using infobox body of water without alt bathymetry, Clarification needed (May 2025), Unsourced passages need footnotes {{More citations needed}} (May 2025), ... (May 2025) |
| Jess (falconry) | Low | Start | 2 | December 2009 | Unsourced passages need footnotes {{More citations needed}} (December 2009), ... (January 2026) |
| Jim Flegg | Low | Stub | 1 | June 2012 | ... (June 2012) |
| Jiro Kikkawa | Low | Stub | 1 | September 2024 | ... (September 2024) |
| Johann Friedrich Gmelin | High | Start | 1 | September 2024 | ... (September 2024) |
| John Bachman | Low | Start | 1 | January 2009 | ... (January 2009) |
| John Burton Cleland | Low | Start | 1 | November 2020 | ... (November 2020) |
| John Graham Bell | Low | Stub | 1 | May 2012 | ... (May 2012) |
| John James Audubon | High | B | 2 | September 2014 | Vague or ambiguous time (September 2014), ... (April 2017) |
| Jonathan Elphick (BLP) | Low | C | 2 | July 2021 | ... (July 2021), Vague or ambiguous time (July 2021) |
| Juan Ignacio Molina | Low | Start | 2 | April 2022 | ... (April 2022), Has general references but lacks inline footnotes (April 2022) |
| Judinornis | Low | Stub | 1 | November 2007 | ... (November 2007) |
| K'gari | Low | B | 7 | 2015 | Potentially dated statements (2015), ... (May 2016, October 2021, June 2023, March 2024), Weasel-worded phrases (August 2023), Expansion needed (January 2024) |
| Kangaroo Island | Low | C | 8 | September 2012 | ... (September 2012, June 2014, June 2016, October 2025, December 2025), Page number citations needed (December 2020), Dead external links {{dead link}} (August 2025), Vague or ambiguous time (October 2025) |
| Karakul (Tajikistan) | Low | Start | 1 | September 2024 | ... (September 2024) |
| Kauaʻi finch | Low | Start | 3 | November 2007 | ... (November 2007), Unsourced passages need footnotes {{More citations needed}} (December 2020), Dead external links {{dead link}} (April 2023) |
| Keel-billed toucan | Mid | B | 1 | June 2025 | ... (June 2025) |
| Kelley-Roosevelts Asiatic Expedition | Low | Start | 1 | July 2017 | ... (July 2017) |
| Keppel Island | Low | Start | 1 | October 2025 | ... (October 2025) |
| Kettle (birds) | Low | Stub | 1 | October 2021 | ... (October 2021) |
| Khosrov Forest State Reserve | Low | C | 2 | August 2018 | ... (August 2018), Dead external links {{dead link}} (January 2026) |
| Kinglet | High | C | 1 | November 2025 | ... (November 2025) |
| Kirtland's warbler | Low | B | 6 | February 2016 | ... (February 2016, November 2019, March 2020, July 2024), Dead external links {{dead link}} (December 2017, May 2023) |
| Kite (bird) | Mid | List | 5 | November 2014 | Weasel-worded phrases (November 2014), Unsourced passages need footnotes {{More citations needed}} (November 2014), ... (September 2023, April 2024, January 2026) |
| Kiwi (bird) | High | B | 4 | September 2013 | ... (September 2013), Potentially dated statements (2018), CS1 errors: archive-url, Failed verification (November 2024) |
| Knysna turaco | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Kookaburra | High | C | 2 | May 2022 | ... (May 2022, March 2024) |
| Kori bustard | Low | C | 1 | July 2024 | ... (July 2024) |
| Kranich Museum | Low | Start | 3 | August 2012 | ... (August 2012), Dead external links {{dead link}} (February 2020), Cites unreliable sources (August 2022) |
| Kākā | Low | C | 1 | April 2021 | ... (April 2021) |
| Kākāpō | Mid | B | 1 | December 2022 | ... (December 2022) |
| Kızılırmak Delta | Low | GA | 2 | 2025 | Potentially dated statements (2025), ... (February 2026) |
| Labrador duck | Mid | Start | 1 | February 2026 | ... (February 2026) |
| Lagopus | Low | Start | 1 | April 2018 | ... (April 2018) |
| Lake Albert (South Australia) | Low | C | 1 | April 2017 | ... (April 2017) |
| Lake Alexandrina (South Australia) | Low | C | 2 | August 2015 | ... (August 2015, April 2016) |
| Lake Argyle | Low | C | 1 | May 2009 | ... (May 2009) |
| Lake Eyre | Low | C | 4 | June 2017 | ... (June 2017, May 2019, June 2025), Articles using infobox body of water without alt bathymetry |
| Lake Galilee (Queensland) | Low | C | 4 | November 2012 | ... (November 2012), Weasel-worded phrases (October 2014), Dead external links {{dead link}} (December 2017, July 2025) |
| Lake Joondalup | Low | Start | 1 | February 2008 | ... (February 2008) |
| Lamington National Park | Low | C | 1 | August 2013 | ... (August 2013) |
| Lance Richdale | Low | Start | 1 | December 2024 | ... (December 2024) |
| Lappet-faced vulture | Low | Start | 2 | April 2018 | Unsourced passages need footnotes {{More citations needed}} (April 2018), ... (June 2019) |
| Large-billed crow | Low | Start | 1 | December 2023 | ... (December 2023) |
| Largest living flying birds by wingspan | Low | List | 2 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021), ... (April 2025) |
| Lark bunting | Mid | Start | 2 | February 2025 | ... (February 2025), Vague or ambiguous time (February 2025) |
| Lark sparrow | Mid | Start | 1 | October 2021 | ... (October 2021) |
| Laughing kookaburra | Low | C | 1 | February 2025 | ... (February 2025) |
| Laurel pigeon | Low | Start | 2 | February 2017 | Unsourced passages need footnotes {{More citations needed}} (February 2017), ... (November 2025) |
| Lavender (chicken plumage) | Low | C | 2 | November 2024 | Unsourced passages need footnotes {{More citations needed}} (November 2024), ... (September 2025) |
| Laysan albatross | Low | B | 5 | March 2011 | ... (March 2011, December 2022), Potentially dated statements (2021), Dead external links {{dead link}} (November 2024), CS1 errors: ISBN date |
| LeConte's sparrow | Low | Start | 2 | January 2023 | ... (January 2023), Dead external links {{dead link}} (August 2025) |
| Leach's storm petrel | Low | Start | 1 | December 2025 | ... (December 2025) |
| Lead poisoning in raptors | Low | C | 1 | January 2022 | ... (January 2022) |
| Least bittern | Low | Start | 1 | August 2024 | ... (August 2024) |
| Lesley Brooker (BLP) | Low | Start | 1 | October 2023 | ... (October 2023) |
| Lesser cuckoo | Low | Stub | 1 | July 2019 | ... (July 2019) |
| Lesser flamingo | Low | Start | 1 | January 2026 | ... (January 2026) |
| Lesser koa finch | Low | Start | 2 | June 2011 | ... (June 2011), Dead external links {{dead link}} (January 2024) |
| Lesser prairie-chicken | Mid | Start | 3 | July 2021 | Dead external links {{dead link}} (July 2021), ... (December 2021, August 2023) |
| Lesser racket-tailed drongo | Low | Stub | 1 | June 2020 | ... (June 2020) |
| Lesser scaup | Low | C | 2 | January 2016 | ... (January 2016), Dead external links {{dead link}} (August 2025) |
| Lesser spotted eagle | Low | Start | 1 | February 2022 | ... (February 2022) |
| Lesser whitethroat | Low | Start | 2 | April 2007 | ... (April 2007, August 2011) |
| Lesser ʻakialoa | Low | Stub | 1 | October 2015 | ... (October 2015) |
| Lewin's rail | Low | Start | 1 | October 2020 | ... (October 2020) |
| Life list | Low | Stub | 1 | October 2025 | ... (October 2025) |
| Lilac-crowned amazon | Low | Start | 1 | March 2019 | ... (March 2019) |
| Limassol Salt Lake | Low | Stub | 3 | October 2013 | ... (October 2013, November 2024), Clarification needed (November 2024) |
| List of Anseriformes by population | Mid | List | 1 | December 2025 | ... (December 2025) |
| List of birds by flight heights | Low | List | 1 | July 2024 | ... (July 2024) |
| List of birds by flight speed | Low | List | 1 | December 2021 | ... (December 2021) |
| List of birds displaying homosexual behavior | Mid | List | 1 | February 2018 | ... (February 2018) |
| List of birds of Bengaluru | Low | List | 1 | February 2013 | ... (February 2013) |
| List of birds of Corsica | Low | List | 1 | December 2024 | ... (December 2024) |
| List of birds of India | Low | List | 2 | August 2021 | ... (August 2021), Dead external links {{dead link}} (June 2022) |
| List of birds of Ireland | Low | List | 1 | August 2021 | ... (August 2021) |
| List of birds of Karnataka | Low | List | 2 | February 2022 | ... (February 2022), Dead external links {{dead link}} (December 2023) |
| List of birds of King Island (Tasmania) | Low | List | 2 | November 2011 | Unsourced passages need footnotes {{More citations needed}} (November 2011), ... (July 2015) |
| List of birds of Palestine | Low | List | 1 | May 2021 | ... (May 2021) |
| List of birds of Southern Africa | Mid | List | 2 | February 2018 | ... (February 2018), CS1 errors: requires URL |
| List of birds of Trinidad and Tobago | Low | List | 1 | November 2019 | ... (November 2019) |
| List of birdwatchers | Low | List | 5 | December 2009 | ... (December 2009), Cites unreliable sources (March 2023, March 2024), Unsourced passages need footnotes {{More citations needed}} (March 2023, March 2024) |
| List of chicken breeds | Mid | List | 1 | March 2025 | ... (March 2025) |
| List of duck breeds | High | List | 2 | May 2018 | ... (May 2018), Dead external links {{dead link}} (November 2023) |
| List of fictional birds | Low | List | 1 | September 2025 | ... (September 2025) |
| List of fictional ducks | Low | List | 2 | December 2010 | Unsourced passages need footnotes {{More citations needed}} (December 2010), ... (January 2015) |
| List of introduced bird species | Mid | List | 1 | June 2021 | ... (June 2021) |
| List of largest birds | Low | List | 5 | May 2016 | ... (May 2016, February 2023, December 2025), Dead external links {{dead link}} (January 2018, March 2025) |
| List of native Philippine chicken breeds | Low | List | 1 | June 2014 | ... (June 2014) |
| List of turkey breeds | Low | List | 1 | December 2019 | ... (December 2019) |
| Little corella | Mid | Start | 1 | July 2019 | ... (July 2019) |
| Little curlew | Low | Stub | 1 | November 2024 | ... (November 2024) |
| Little penguin | Low | C | 1 | December 2022 | ... (December 2022) |
| Little raven | Low | C | 2 | January 2015 | ... (January 2015, February 2015) |
| Little spotted kiwi | Low | B | 3 | August 2019 | Incomplete citations (August 2019), ... (July 2025, October 2025) |
| Lonchodytes | Low | Stub | 2 | November 2007 | Factual verification needed (November 2007), ... (November 2007) |
| Long-billed bush warbler | Low | Stub | 1 | May 2024 | ... (May 2024) |
| Long-billed corella | Mid | Start | 1 | August 2016 | ... (August 2016) |
| Long-billed dowitcher | Low | Start | 2 | January 2025 | ... (January 2025), CS1 errors: ISBN date |
| Long-billed plover | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Long-tailed cinclodes | Low | Start | 1 | September 2023 | ... (September 2023) |
| Long-tailed nightjar | Low | C | 2 | October 2024 | Page number citations needed (October 2024), ... (January 2025) |
| Long-tailed starling | Low | Start | 1 | May 2016 | ... (May 2016) |
| Longipteryx | Mid | B | 2 | August 2021 | Accuracy disputes or self-published (August 2021), ... (December 2025) |
| Lord Derby's parakeet | Mid | Start | 2 | June 2017 | ... (June 2017), Has general references but lacks inline footnotes (July 2025) |
| Lord Howe gerygone | Low | C | 1 | January 2016 | ... (January 2016) |
| Lough Foyle | Low | C | 4 | July 2020 | ... (July 2020, November 2025), Articles using infobox body of water without alt bathymetry, Incomplete citations (April 2022) |
| Lovebird | High | C | 3 | 2019 | Potentially dated statements (2019), Unsourced passages need footnotes {{More citations needed}} (January 2025), ... (January 2025) |
| Lucifer sheartail | Low | Start | 1 | April 2020 | ... (April 2020) |
| Luitpold Coast | Low | Stub | 1 | May 2023 | ... (May 2023) |
| Maatsuyker Islands | Low | B | 1 | July 2020 | ... (July 2020) |
| Macaw | Mid | C | 1 | November 2010 | ... (November 2010) |
| Macquarie Island | Low | B | 7 | November 2024 | ... (November 2024, April 2025, June 2025, July 2025, October 2025), Original research (November 2024), Weasel-worded phrases (March 2025) |
| Macquarie shag | Low | Start | 1 | April 2011 | ... (April 2011) |
| Magellanic penguin | Low | C | 1 | August 2020 | ... (August 2020) |
| Magpie goose | Low | Start | 2 | June 2015 | Original research (June 2015), ... (December 2025) |
| Magpie-lark | Low | C | 1 | January 2019 | ... (January 2019) |
| Makatea fruit dove | Low | Stub | 2 | November 2024 | ... (November 2024, November 2025) |
| Malay Game | Low | Stub | 1 | September 2023 | ... (September 2023) |
| Malayan partridge | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Mali firefinch | Low | Stub | 1 | October 2024 | ... (October 2024) |
| Mallee whipbird | Low | C | 2 | November 2023 | ... (November 2023), Orphaned (October 2025) |
| Mancallinae | Low | Start | 1 | February 2007 | ... (February 2007) |
| Mandarin duck | Mid | Start | 3 | August 2011 | ... (August 2011, November 2018), Update needed (November 2024) |
| Mangrove honeyeater | Low | C | 1 | October 2021 | ... (October 2021) |
| Mantell's moa | Low | Stub | 1 | May 2025 | ... (May 2025) |
| Manu parrotlet | Low | Start | 1 | December 2020 | ... (December 2020) |
| Manus friarbird | Low | Stub | 1 | February 2019 | ... (February 2019) |
| Marabou stork | Mid | C | 3 | September 2020 | ... (September 2020, December 2020), Cites unreliable sources (January 2023) |
| Maria Koepcke | Low | Start | 1 | April 2019 | ... (April 2019) |
| Mariana mallard | Low | Start | 3 | January 2010 | ... (January 2010, September 2011), CS1 errors: missing title |
| Marie Winn | Mid | Start | 1 | January 2025 | ... (January 2025) |
| Mark Catesby | Low | Start | 1 | November 2025 | ... (November 2025) |
| Marquesas swamphen | Low | Stub | 1 | February 2012 | ... (February 2012) |
| Marsh tapaculo | Low | Start | 1 | May 2023 | ... (May 2023) |
| Martin Garner (ornithologist) | Low | Stub | 2 | August 2008 | ... (August 2008), Dead external links {{dead link}} (January 2018) |
| Masked crimson tanager | Low | Start | 2 | June 2011 | ... (June 2011), Dead external links {{dead link}} (March 2020) |
| Master of the Hawks | Low | Stub | 1 | October 2016 | ... (October 2016) |
| Matilda (chicken) | Low | C | 1 | October 2021 | ... (October 2021) |
| Matsue Vogel Park | Low | Stub | 2 | November 2024 | ... (November 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024) |
| Matteo Botteri | Low | Stub | 1 | February 2023 | ... (February 2023) |
| Maui Nui finch | Low | Start | 1 | November 2007 | ... (November 2007) |
| Maui nukupuʻu | Mid | Start | 2 | December 2009 | ... (December 2009), Unsourced passages need footnotes {{More citations needed}} (August 2021) |
| Mauritius kestrel | Low | C | 1 | February 2007 | ... (February 2007) |
| Max Planck Institute for Ornithology | Low | C | 2 | August 2020 | ... (August 2020), Cites unreliable sources (August 2020) |
| Medium tree finch | Low | Start | 1 | May 2009 | ... (May 2009) |
| Meller's duck | Low | Start | 2 | January 2010 | ... (January 2010, November 2011) |
| Mergellus | Low | Stub | 1 | March 2025 | ... (March 2025) |
| Merlin (bird) | Low | C | 2 | October 2009 | ... (October 2009), Dead external links {{dead link}} (March 2025) |
| Mews (falconry) | Low | Stub | 3 | November 2024 | ... (November 2024), Unsourced passages need footnotes {{More citations needed}} (November 2024), Limited geographic scope (November 2024) |
| Mexican parrotlet | Low | Start | 1 | February 2024 | ... (February 2024) |
| Michael Clarke (ornithologist) (BLP) | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Michele Raffin (BLP) | Low | Stub | 1 | October 2020 | ... (October 2020) |
| Military macaw | Mid | C | 3 | February 2017 | Unsourced passages need footnotes {{More citations needed}} (February 2017), ... (January 2020, April 2020) |
| Mini-macaw | Low | Stub | 2 | December 2008 | ... (December 2008), Cites unreliable sources (December 2020) |
| Minokawa | Low | Start | 1 | February 2016 | ... (February 2016) |
| Miocariama | Low | Stub | 1 | December 2024 | ... (December 2024) |
| Moa | High | B | 1 | September 2025 | ... (September 2025) |
| Moluccan eclectus | High | C | 2 | May 2011 | ... (May 2011), Factual verification needed (May 2011) |
| Monk parakeet | Low | B | 5 | June 2023 | ... (June 2023, September 2024, October 2024, November 2024), Expansion needed (August 2025) |
| Montagu's harrier | Low | B | 1 | November 2009 | ... (November 2009) |
| Moogerah Peaks National Park | Low | Start | 1 | July 2025 | ... (July 2025) |
| Moorhen | Mid | C | 1 | November 2025 | ... (November 2025) |
| Morepork | High | C | 1 | November 2025 | ... (November 2025) |
| Mount Barney National Park | Low | C | 1 | January 2022 | ... (January 2022) |
| Mount Kumgang | Low | C | 2 | May 2019 | ... (May 2019, March 2023) |
| Mountain chickadee | Low | Start | 1 | February 2025 | ... (February 2025) |
| Mourning dove | Mid | FA | 3 | November 2025 | CS1 errors: ISBN date, Failed verification (November 2025), ... (November 2025) |
| Moustached babbler | Low | Start | 1 | December 2019 | ... (December 2019) |
| Moustached brushfinch | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Mulard | Low | Start | 1 | July 2011 | ... (July 2011) |
| Muriwai | Low | C | 1 | April 2025 | ... (April 2025) |
| Mute swan | Low | C | 3 | December 2012 | ... (December 2012, October 2016), Dead external links {{dead link}} (February 2018) |
| Naked Neck | Low | Start | 1 | May 2018 | ... (May 2018) |
| Nankeen kestrel | Low | Start | 1 | October 2018 | ... (October 2018) |
| Nankin Bantam | Low | Start | 1 | May 2017 | ... (May 2017) |
| National Animal Welfare Trust | Low | Start | 1 | May 2020 | ... (May 2020) |
| Nechisar nightjar | Low | Stub | 1 | October 2024 | ... (October 2024) |
| Nest box camera | Low | Stub | 2 | February 2014 | Unsourced passages need footnotes {{More citations needed}} (February 2014), ... (June 2017) |
| New Caledonian crow | Low | C | 2 | August 2014 | ... (August 2014, November 2025) |
| New Caledonian lorikeet | Low | C | 3 | November 2013 | Update needed (November 2013), ... (June 2025), Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| New Caledonian owlet-nightjar | Low | Start | 2 | November 2021 | Unsourced passages need footnotes {{More citations needed}} (November 2021), ... (November 2021) |
| New Caledonian thicketbird | Low | Stub | 2 | July 2024 | Unsourced passages need footnotes {{More citations needed}} (July 2024), ... (July 2024) |
| New World vulture | High | B | 1 | October 2009 | ... (October 2009) |
| New Zealand goose | Low | Stub | 1 | May 2019 | ... (May 2019) |
| New Zealand rock wren | Low | Start | 1 | December 2024 | ... (December 2024) |
| Nik Borrow (BLP) | Low | Start | 2 | June 2013 | Notability unclear (June 2013), ... (January 2023) |
| Nikolaas Tinbergen | Mid | C | 3 | April 2014 | Page number citations needed (April 2014), ... (November 2015), Dead external links {{dead link}} (May 2025) |
| Ninox | Mid | Stub | 1 | February 2007 | ... (February 2007) |
| Norfolk Grey | Mid | B | 1 | September 2025 | ... (September 2025) |
| Norfolk Island | Low | B | 11 | 2004 | Potentially dated statements (2004, 2010, 2014), ... (June 2016, September 2018, April 2024, April 2025, October 2025), Dead external links {{dead link}} (February 2018), Unsourced passages need footnotes {{More citations needed}} (December 2021), Original research (February 2023) |
| North Island brown kiwi | Low | Start | 2 | February 2008 | ... (February 2008, November 2017) |
| North West Island | Low | C | 1 | May 2010 | ... (May 2010) |
| Northern cassowary | Low | C | 1 | March 2018 | ... (March 2018) |
| Northern emerald toucanet | Low | C | 1 | December 2022 | ... (December 2022) |
| Northern masked owl | Mid | C | 1 | January 2021 | ... (January 2021) |
| Northern pygmy owl | Low | C | 1 | October 2025 | ... (October 2025) |
| Northern saw-whet owl | Low | Start | 1 | November 2024 | ... (November 2024) |
| Northern silvery-cheeked antshrike | Low | Start | 1 | December 2024 | ... (December 2024) |
| Northern spotted owl | Low | C | 3 | March 2021 | Introduction cleanup (March 2021), Vague or ambiguous time (November 2021), ... (May 2023) |
| Northern waterthrush | Low | Start | 1 | June 2024 | ... (June 2024) |
| Ochre-breasted brushfinch | Low | Stub | 1 | November 2025 | ... (November 2025) |
| Old World sparrow | High | C | 3 | May 2012 | Clarification needed (May 2012), Dead external links {{dead link}} (May 2018), ... (July 2021) |
| Olfactory navigation | Low | Start | 1 | February 2010 | ... (February 2010) |
| One Tree Island (Queensland) | Low | Start | 3 | November 2024 | Reference errors, Potentially dated statements (November 2024), ... (November 2024) |
| Opuha Dam | Low | Stub | 2 | June 2025 | ... (June 2025), Dead external links {{dead link}} (August 2025) |
| Orange-bellied parrot | Low | C | 5 | May 2012 | ... (May 2012, March 2022, June 2022), Potentially dated statements (2021), Update needed (July 2022) |
| Orchard oriole | Low | C | 2 | May 2024 | Unsourced passages need footnotes {{More citations needed}} (May 2024), ... (May 2024) |
| Orford, Tasmania | Low | C | 4 | October 2024 | Style editing needed (October 2024), Promotional tone (October 2024), Unsourced passages need footnotes {{More citations needed}} (October 2024), ... (October 2024) |
| Organic egg production | Low | Start | 3 | February 2011 | Limited geographic scope (February 2011), Unsourced passages need footnotes {{More citations needed}} (March 2015), ... (February 2020) |
| Oriental bay owl | Low | C | 1 | May 2024 | ... (May 2024) |
| Oriental magpie-robin | Mid | C | 2 | December 2019 | ... (December 2019, February 2025) |
| Oriental pratincole | Low | Start | 2 | February 2023 | ... (February 2023, December 2024) |
| Origin of birds | High | B | 3 | May 2023 | Detailed references needed, ... (May 2023), CS1 errors: ISBN date |
| Ornate tinamou | Low | Start | 1 | January 2010 | ... (January 2010) |
| Ornimegalonyx | Mid | Start | 1 | June 2014 | ... (June 2014) |
| Osprey | High | B | 1 | April 2024 | ... (April 2024) |
| Ostrich leather | Low | C | 6 | November 2012 | Clarification needed (November 2012, July 2024), Dead external links {{dead link}} (January 2019), Vague or ambiguous time (September 2022), Promotional tone (September 2022), ... (July 2024) |
| Owl | Top | C | 5 | July 2010 | Clarification needed (July 2010), ... (July 2019, March 2021, March 2024), Cites unreliable sources (February 2023) |
| Pachycephalidae | High | Start | 1 | June 2008 | ... (June 2008) |
| Pachyornis | Mid | Start | 1 | May 2025 | ... (May 2025) |
| Pacific Flyway | Mid | Stub | 2 | July 2023 | Incomplete lists (July 2023), ... (July 2023) |
| Pacific gull | Mid | Start | 1 | February 2026 | ... (February 2026) |
| Pacific koel | Low | Start | 1 | December 2025 | ... (December 2025) |
| Paddyfield pipit | Low | Start | 1 | November 2020 | ... (November 2020) |
| Paektu Mountain | Low | C | 8 | 2013 | Potentially dated statements (2013), ... (June 2015, September 2015, May 2016, August 2018, April 2023), Weasel-worded phrases (April 2023), Update needed (April 2023) |
| Painted sandgrouse | Low | Start | 1 | June 2024 | ... (June 2024) |
| Palaeeudyptes | Low | Start | 1 | October 2021 | ... (October 2021) |
| Palaegithalus | Low | Start | 1 | January 2022 | ... (January 2022) |
| Palaeognathae | Top | C | 4 | February 2011 | ... (February 2011, May 2012, May 2014, August 2021) |
| Palaeospheniscus | Low | Start | 1 | September 2022 | ... (September 2022) |
| Palaeospheniscus gracilis | Low | Start | 1 | February 2007 | ... (February 2007) |
| Palaeospheniscus wimani | Low | Start | 1 | September 2017 | ... (September 2017) |
| Palawan peacock-pheasant | Low | Start | 1 | February 2007 | ... (February 2007) |
| Pale Male | Low | C | 1 | May 2023 | ... (May 2023) |
| Palestine sunbird | Low | C | 1 | November 2023 | ... (November 2023) |
| Pallid cuckoo | Low | Start | 2 | July 2017 | ... (July 2017), Dead external links {{dead link}} (February 2018) |
| Palm cockatoo | Mid | C | 3 | April 2010 | ... (April 2010, April 2016), Disputed statements (January 2014) |
| Palmchat | Low | Start | 1 | August 2022 | ... (August 2022) |
| Papuan frogmouth | Low | C | 1 | January 2015 | ... (January 2015) |
| Papuan king parrot | Low | Start | 1 | June 2009 | ... (June 2009) |
| Paradise parrot | Mid | Start | 1 | November 2018 | ... (November 2018) |
| Parahesperornis | Low | Start | 1 | November 2007 | ... (November 2007) |
| Parakeet | Mid | Start | 4 | January 2009 | Unsourced passages need footnotes {{More citations needed}} (January 2009), Potentially dated statements (2023), ... (March 2023, April 2023) |
| Parakeet auklet | Low | Start | 1 | February 2023 | ... (February 2023) |
| Paraptenodytes | Low | Stub | 1 | September 2011 | ... (September 2011) |
| Paroaria | Mid | Stub | 1 | September 2025 | ... (September 2025) |
| Parrot | Top | B | 2 | January 2022 | Failed verification (January 2022), ... (December 2025) |
| Parrot training | Low | Start | 3 | August 2009 | Unsourced passages need footnotes {{More citations needed}} (August 2009), ... (November 2010, February 2011) |
| Parrotlet | Mid | Start | 3 | May 2010 | ... (May 2010, September 2020), Unsourced passages need footnotes {{More citations needed}} (September 2014) |
| Passerine | Top | B | 1 | January 2024 | ... (January 2024) |
| Pastured poultry | Low | Start | 3 | April 2015 | Unsourced passages need footnotes {{More citations needed}} (April 2015), Limited geographic scope (January 2017), ... (October 2025) |
| Peafowl | Mid | B | 6 | December 2018 | ... (December 2018, May 2023, October 2023), Unsourced passages need footnotes {{More citations needed}} (May 2023), Weasel-worded phrases (May 2023), Page number citations needed (March 2024) |
| Peel-Harvey Estuarine System | Mid | C | 1 | October 2018 | ... (October 2018) |
| Penguin Pete | Low | Start | 4 | June 2012 | ... (June 2012, September 2017, September 2021), Unsourced passages need footnotes {{More citations needed}} (June 2024) |
| Perdix | Mid | Start | 1 | April 2013 | ... (April 2013) |
| Peregrine falcon | Mid | FA | 1 | April 2025 | ... (April 2025) |
| Peter Marler | Low | Start | 1 | August 2014 | ... (August 2014) |
| Peter Scott | Mid | Start | 2 | November 2018 | ... (November 2018, September 2021) |
| Petermann Island | Low | Start | 1 | May 2023 | ... (May 2023) |
| Petrel | High | Start | 3 | September 2021 | Update needed (September 2021), ... (October 2025, November 2025) |
| Petros (pelican) | Low | Stub | 1 | July 2010 | ... (July 2010) |
| Phainopepla | Mid | Start | 2 | April 2019 | ... (April 2019, May 2020) |
| Phalacrocorax | Mid | Start | 1 | August 2024 | ... (August 2024) |
| Phasianidae | High | C | 1 | October 2020 | ... (October 2020) |
| Pheasant cuckoo | Low | Start | 1 | November 2020 | ... (November 2020) |
| Philadelphia vireo | Low | Start | 1 | December 2023 | ... (December 2023) |
| Piciformes | Top | Start | 2 | January 2008 | ... (January 2008, June 2020) |
| Pied avocet | Mid | C | 1 | January 2026 | ... (January 2026) |
| Pierce Brodkorb | Low | Start | 3 | July 2017 | ... (July 2017), Unsourced passages need footnotes {{More citations needed}} (July 2017), Has general references but lacks inline footnotes (July 2017) |
| Pigeon intelligence | Low | Start | 4 | April 2010 | ... (April 2010, February 2018, October 2025), Unsourced passages need footnotes {{More citations needed}} (September 2019) |
| Pigeon pox | Low | Start | 1 | November 2022 | ... (November 2022) |
| Pigeon racing | Low | B | 11 | March 2008 | ... (March 2008, October 2012, May 2017, July 2024), Unsourced passages need footnotes {{More citations needed}} (February 2022, July 2024), Clarification needed (October 2022, July 2024), Cites unreliable sources (July 2024), Page number citations needed (July 2024), Failed verification (July 2024) |
| Piksi | Low | C | 1 | November 2016 | ... (November 2016) |
| Pilgrim goose | Low | C | 2 | August 2024 | ... (August 2024, September 2025) |
| Pin-tailed green pigeon | Low | Stub | 1 | March 2022 | ... (March 2022) |
| Pink pigeon | Mid | C | 1 | February 2016 | ... (February 2016) |
| Pinyon jay | Mid | B | 4 | April 2021 | Clarification needed (April 2021), ... (August 2024), Cites unreliable sources (August 2024), Incomplete citations (August 2024) |
| Piping plover | Low | C | 2 | November 2014 | Dead external links {{dead link}} (November 2014), ... (May 2022) |
| Piping shrike | Low | Start | 3 | April 2023 | Original research (April 2023), ... (April 2023), CS1 errors: ISBN date |
| Pipit | Mid | C | 2 | January 2012 | ... (January 2012), Clarification needed (October 2025) |
| Pitti | Low | Stub | 1 | May 2019 | ... (May 2019) |
| Plain mountain finch | Low | Stub | 1 | June 2025 | ... (June 2025) |
| Plume (feather) | High | Stub | 2 | May 2022 | ... (May 2022), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Plume hunting | Low | C | 3 | April 2022 | Harv and Sfn no-target errors, Limited geographic scope (April 2022), ... (February 2025) |
| Pohnpei lorikeet | Low | Start | 1 | April 2009 | ... (April 2009) |
| Polish chicken | Low | Start | 2 | July 2024 | ... (July 2024), Disputed statements (July 2024) |
| Poʻouli | Mid | C | 3 | November 2012 | Unsourced passages need footnotes {{More citations needed}} (November 2012), ... (June 2025), Clarification needed (October 2025) |
| Precociality and altriciality | Mid | Start | 4 | July 2014 | Page number citations needed (July 2014, December 2025), ... (December 2022, March 2023) |
| Primitive koa finch | Low | Start | 3 | November 2007 | ... (November 2007, November 2011), Dead external links {{dead link}} (January 2024) |
| Princess Marie des Neiges of Bourbon-Parma (BLP) | Low | Start | 1 | July 2024 | ... (July 2024) |
| Princess parrot | Low | Start | 2 | August 2008 | ... (August 2008, February 2016) |
| Proardea | Low | Stub | 2 | November 2007 | Factual verification needed (November 2007), ... (November 2025) |
| Prong-billed barbet | Low | Start | 1 | December 2022 | ... (December 2022) |
| Prothonotary warbler | Mid | Start | 2 | December 2024 | ... (December 2024), CS1 errors: ISBN date |
| Przevalski's finch | Mid | Start | 1 | December 2011 | ... (December 2011) |
| Pseudocrypturus | Low | Stub | 1 | July 2009 | ... (July 2009) |
| Pseudonigrita | Mid | Stub | 1 | March 2025 | ... (March 2025) |
| Pseudospingus | Mid | Stub | 1 | March 2025 | ... (March 2025) |
| Puckapunyal | Low | Start | 1 | July 2011 | ... (July 2011) |
| Puerto Rican quail-dove | Low | Start | 1 | December 2019 | ... (December 2019) |
| Puerto Rican spindalis | Low | C | 1 | October 2007 | ... (October 2007) |
| Pullorum disease | Low | Start | 1 | January 2023 | ... (January 2023) |
| Purple cochoa | Low | Stub | 1 | August 2019 | ... (August 2019) |
| Purple finch | Low | Start | 1 | January 2010 | ... (January 2010) |
| Purple martin | Low | Start | 1 | July 2025 | ... (July 2025) |
| Purple needletail | Low | Stub | 2 | February 2022 | Dead external links {{dead link}} (February 2022), ... (July 2025) |
| Purple sandpiper | Low | Start | 1 | January 2020 | ... (January 2020) |
| Purple-backed fairywren | Low | Start | 2 | April 2018 | ... (April 2018), Dead external links {{dead link}} (May 2020) |
| Pygmy goose | Low | Stub | 1 | February 2007 | ... (February 2007) |
| Pygmy parrot | Mid | Start | 1 | June 2009 | ... (June 2009) |
| Pygostyle | Low | Start | 1 | February 2012 | ... (February 2012) |
| Quadrate bone | Mid | Start | 1 | April 2020 | ... (April 2020) |
| RSPB Medal | Low | List | 2 | May 2017 | ... (May 2017), Dead external links {{dead link}} (April 2018) |
| Rahonavis | Low | C | 1 | August 2025 | ... (August 2025) |
| Raine Island | Low | C | 2 | April 2019 | ... (April 2019), Potentially dated statements (June 2020) |
| Ralph Hoffmann | Low | Start | 1 | February 2026 | ... (February 2026) |
| Ran Nathan (BLP) | Low | C | 1 | January 2025 | ... (January 2025) |
| Rangatira Island | Low | Start | 1 | November 2020 | ... (November 2020) |
| Raptor Education Group | Low | Start | 2 | April 2018 | Dead external links {{dead link}} (April 2018), ... (July 2025) |
| Raptor Resource Project | Low | Start | 1 | September 2014 | ... (September 2014) |
| Ratite | Top | C | 3 | November 2013 | ... (November 2013, June 2015), Page number citations needed (January 2022) |
| Razorbill | Low | C | 1 | January 2008 | ... (January 2008) |
| Red crossbill | Low | Start | 2 | July 2021 | ... (July 2021, March 2025) |
| Red grouse | Low | C | 2 | May 2021 | ... (May 2021), Page number citations needed (October 2025) |
| Red junglefowl | High | C | 2 | May 2021 | Expansion needed (May 2021), ... (August 2022) |
| Red kite | Mid | B | 2 | June 2022 | ... (June 2022, December 2023) |
| Red phalarope | Low | Start | 2 | January 2026 | ... (January 2026), Has general references but lacks inline footnotes (January 2026) |
| Red-and-blue lory | Low | C | 1 | December 2018 | ... (December 2018) |
| Red-bellied woodpecker | Low | C | 2 | October 2023 | Has general references but lacks inline footnotes (October 2023), ... (May 2024) |
| Red-billed oxpecker | Low | Start | 1 | June 2023 | ... (June 2023) |
| Red-cockaded woodpecker | Low | Start | 1 | February 2026 | ... (February 2026) |
| Red-crowned crane | Low | B | 1 | December 2025 | ... (December 2025) |
| Red-eared firetail | Low | B | 1 | October 2018 | ... (October 2018) |
| Red-faced cormorant | Low | Start | 1 | March 2024 | ... (March 2024) |
| Red-footed falcon | Low | Start | 1 | May 2016 | ... (May 2016) |
| Red-headed weaver | Mid | Stub | 1 | November 2011 | ... (November 2011) |
| Red-kneed dotterel | Mid | Start | 2 | October 2010 | ... (October 2010), Has general references but lacks inline footnotes (July 2016) |
| Red-masked parakeet | Low | Start | 2 | May 2014 | ... (May 2014), Failed verification (January 2026) |
| Red-necked phalarope | Low | Start | 1 | October 2024 | ... (October 2024) |
| Red-shouldered hawk | Low | C | 2 | August 2025 | Dead external links {{dead link}} (August 2025), ... (December 2025) |
| Red-tailed amazon | Mid | Start | 4 | January 2009 | Has general references but lacks inline footnotes (January 2009), ... (January 2009), Dead external links {{dead link}} (February 2019, April 2019) |
| Red-tailed comet | Low | Start | 1 | April 2024 | ... (April 2024) |
| Red-vented bulbul | Low | B | 2 | February 2022 | ... (February 2022), Dead external links {{dead link}} (August 2025) |
| Red-whiskered bulbul | Low | C | 1 | September 2025 | ... (September 2025) |
| Red-winged parrot | Low | Start | 1 | April 2008 | ... (April 2008) |
| Reddish egret | Low | Start | 1 | March 2023 | ... (March 2023) |
| Regent parrot | Mid | C | 3 | February 2010 | ... (February 2010, December 2011, July 2018) |
| Regroupement QuébecOiseaux | Low | Stub | 3 | August 2015 | Cites unreliable sources (August 2015), Unsourced passages need footnotes {{More citations needed}} (August 2024), ... (August 2024) |
| René Lesson | Low | Start | 2 | May 2013 | ... (May 2013), Cites unreliable sources (August 2024) |
| Rhea (bird) | Mid | C | 1 | July 2024 | ... (July 2024) |
| Rhegmatorhina | Mid | C | 4 | May 2025 | Potentially dated statements (2025), Vague or ambiguous time (May 2025), Clarification needed (May 2025), ... (May 2025) |
| Rhinoceros auklet | Mid | Start | 1 | February 2022 | ... (February 2022) |
| Rhode Island Red | Low | Start | 1 | October 2009 | ... (October 2009) |
| Richard C. Banks | Low | C | 2 | December 2020 | ... (December 2020), Cites unreliable sources (August 2023) |
| Richard Carew (antiquary) | Low | Start | 2 | January 2015 | Cites unreliable sources (January 2015), ... (January 2015) |
| Richard Liversidge | Low | C | 2 | January 2026 | ... (January 2026), Unsourced passages need footnotes {{More citations needed}} (January 2026) |
| Richard Meinertzhagen | Low | C | 6 | April 2015 | ... (April 2015, July 2022, June 2024, September 2025), Rewrite needed (May 2018), Weasel-worded phrases (September 2025) |
| Richard Veit (BLP) | Low | Start | 2 | September 2024 | ... (September 2024), Categories needed (September 2024) |
| Ringed teal | Low | Start | 1 | September 2023 | ... (September 2023) |
| Robert Gillmor | Low | Start | 2 | August 2008 | Incomplete lists (August 2008), ... (May 2022) |
| Rock dove | High | B | 5 | June 2013 | ... (June 2013, December 2019, August 2021, February 2025), Clarification needed (February 2025) |
| Rockhopper penguin | Low | C | 1 | June 2019 | ... (June 2019) |
| Rockjumper | Mid | Start | 1 | July 2023 | ... (July 2023) |
| Rodrigues warbler | Low | Stub | 2 | November 2013 | ... (November 2013), Incomplete citations (November 2013) |
| Roger Tory Peterson | High | C | 2 | June 2016 | Dead external links {{dead link}} (June 2016), ... (June 2024) |
| Rose-fronted parakeet | Low | Start | 1 | March 2023 | ... (March 2023) |
| Rose-ringed parakeet | Low | B | 1 | December 2025 | ... (December 2025) |
| Roseate spoonbill | Low | C | 1 | June 2023 | ... (June 2023) |
| Ross's goose | Low | Stub | 1 | December 2023 | ... (December 2023) |
| Rosy minivet | Low | Stub | 1 | January 2024 | ... (January 2024) |
| Rottnest Island | Low | C | 11 | November 2011 | ... (November 2011, February 2021, April 2022, January 2023, March 2025), Potentially dated statements (June 2016, 2019), CS1 errors: archive-url, Dead external links {{dead link}} (February 2021, October 2022), Page number citations needed (April 2025) |
| Roy Bell (ornithologist) | Low | Stub | 2 | June 2023 | ... (June 2023, May 2025) |
| Royal penguin | Low | Start | 2 | July 2021 | ... (July 2021, January 2024) |
| Rubber chicken | Low | Start | 4 | April 2011 | ... (April 2011, February 2018, October 2021), Unsourced passages need footnotes {{More citations needed}} (August 2011) |
| Ruby-crowned kinglet | Low | C | 2 | December 2025 | CS1 errors: ISBN date, ... (December 2025) |
| Ruddy shelduck | Low | GA | 1 | January 2026 | ... (January 2026) |
| Ruff (bird) | Mid | FA | 1 | October 2025 | ... (October 2025) |
| Ruffed grouse | Low | Start | 4 | December 2012 | ... (December 2012, January 2023, December 2023), Dead external links {{dead link}} (January 2025) |
| Rufous fishing owl | Low | Start | 1 | July 2021 | ... (July 2021) |
| Rufous motmot | Low | Start | 1 | May 2021 | ... (May 2021) |
| Rufous paradise flycatcher | Low | Stub | 1 | October 2025 | ... (October 2025) |
| Rufous-bellied seedsnipe | Low | Start | 1 | December 2022 | ... (December 2022) |
| Rufous-collared sparrow | Low | Start | 2 | October 2008 | ... (October 2008), Clarification needed (July 2014) |
| Rufous-crowned bee-eater | Low | Stub | 1 | December 2025 | ... (December 2025) |
| Rufous-tailed hawk | Low | Stub | 1 | December 2018 | ... (December 2018) |
| Rufous-tailed scrub robin | Low | B | 1 | September 2013 | ... (September 2013) |
| Rufous-tailed weaver | Mid | Stub | 1 | September 2012 | ... (September 2012) |
| Rufous-winged buzzard | Low | Stub | 1 | October 2023 | ... (October 2023) |
| Rusty blackbird | Low | Start | 2 | September 2014 | Has general references but lacks inline footnotes (September 2014), ... (March 2025) |
| Réunion grey white-eye | Low | Start | 3 | October 2008 | ... (October 2008), Unsourced passages need footnotes {{More citations needed}} (April 2010), Dead external links {{dead link}} (January 2025) |
| Réunion scops owl | Low | Start | 2 | April 2012 | ... (April 2012), CS1 errors: requires URL |
| Rüppell's korhaan | Low | Start | 3 | January 2022 | Has general references but lacks inline footnotes (January 2022), ... (December 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Rüppell's parrot | Mid | Start | 1 | March 2024 | ... (March 2024) |
| Rüppell's vulture | Low | C | 1 | February 2022 | ... (February 2022) |
| Saker falcon | Low | Start | 3 | November 2016 | Cleanup needed (November 2016, November 2016), ... (September 2024) |
| Salmon-crested cockatoo | Mid | Start | 1 | September 2017 | ... (September 2017) |
| Salvin's albatross | Low | C | 2 | June 2024 | ... (June 2024), Dead external links {{dead link}} (November 2024) |
| Salvin's prion | Low | Start | 1 | July 2009 | ... (July 2009) |
| Sandgrouse | Top | GA | 1 | May 2025 | ... (May 2025) |
| Sandhill crane | Low | B | 1 | April 2025 | ... (April 2025) |
| Sapsucker | Mid | Start | 1 | October 2024 | ... (October 2024) |
| Sarcocystis calchasi | Low | Start | 1 | July 2022 | ... (July 2022) |
| Savannah sparrow | Mid | C | 1 | February 2007 | ... (February 2007) |
| Saxon Fairy Swallow pigeon | Low | Stub | 1 | June 2012 | ... (June 2012) |
| Scaly ground roller | Mid | Start | 1 | September 2019 | ... (September 2019) |
| Scaly-headed parrot | Low | Start | 1 | February 2023 | ... (February 2023) |
| Scarlet macaw | Mid | Start | 1 | November 2025 | ... (November 2025) |
| Scarlet robin | Low | Start | 1 | April 2010 | ... (April 2010) |
| Schalow's turaco | Low | Start | 1 | April 2022 | ... (April 2022) |
| Scintillant hummingbird | Low | Start | 1 | December 2021 | ... (December 2021) |
| Scissor-tailed flycatcher | Low | Start | 1 | July 2014 | ... (July 2014) |
| Scops owl | Mid | B | 3 | March 2020 | ... (March 2020), Unsourced passages need footnotes {{More citations needed}} (March 2020), Dead external links {{dead link}} (November 2025) |
| Scottish crossbill | Low | C | 4 | July 2024 | Clarification needed (July 2024), Weasel-worded phrases (July 2024), ... (July 2024), Unsourced passages need footnotes {{More citations needed}} (December 2024) |
| Screamer | Mid | C | 1 | December 2022 | ... (December 2022) |
| Scrubtit | Low | Start | 1 | July 2022 | ... (July 2022) |
| Sea eagle | Low | Start | 3 | March 2025 | Disputed statements (March 2025), ... (August 2025), Style editing needed (August 2025) |
| Seabird | Top | B | 2 | April 2021 | ... (April 2021), Update needed (April 2021) |
| Seaside sparrow | Low | Start | 1 | August 2024 | ... (August 2024) |
| Sebright chicken | Low | GA | 1 | January 2019 | ... (January 2019) |
| Sedge warbler | Low | C | 1 | January 2011 | ... (January 2011) |
| Serama | Low | Start | 3 | January 2021 | Unsourced passages need footnotes {{More citations needed}} (January 2021, May 2024), ... (September 2025) |
| Serbian Highflyer | Low | Start | 1 | March 2021 | ... (March 2021) |
| Serra finch | Low | Stub | 1 | November 2013 | ... (November 2013) |
| Sespe Condor Sanctuary | Low | Start | 1 | December 2017 | ... (December 2017) |
| Sex reversal | Low | Start | 1 | August 2025 | ... (August 2025) |
| Shahbaz (bird) | Mid | Stub | 3 | May 2021 | Unsourced passages need footnotes {{More citations needed}} (May 2021), Weasel-worded phrases (April 2022), ... (February 2024) |
| Sham dustbathing | Low | Start | 1 | May 2024 | ... (May 2024) |
| Sharp-beaked ground finch | Low | Stub | 1 | September 2025 | ... (September 2025) |
| Sheathbill | High | Start | 1 | March 2025 | ... (March 2025) |
| Shetland goose | Low | Start | 1 | September 2025 | ... (September 2025) |
| Short-tailed shearwater | Low | Start | 1 | October 2021 | ... (October 2021) |
| Short-toed snake eagle | Low | Start | 1 | February 2010 | ... (February 2010) |
| Shy albatross | Low | C | 2 | June 2020 | Potentially dated statements (June 2020), ... (June 2020) |
| Siberian crane | Low | Start | 2 | March 2024 | Update needed (March 2024), ... (September 2024) |
| Sibley–Monroe checklist | High | List | 2 | January 2010 | ... (January 2010), Weasel-worded phrases (January 2010) |
| Sibsey Island | Low | Start | 5 | March 2013 | Clarification needed (March 2013), Factual verification needed (March 2013, January 2014), ... (June 2016), CS1 errors: archive-url |
| Sierra Nevada antpitta | Low | Start | 1 | September 2024 | ... (September 2024) |
| Sikkim treecreeper | Low | Stub | 1 | August 2019 | ... (August 2019) |
| Sikkim wedge-billed babbler | Low | Stub | 1 | August 2019 | ... (August 2019) |
| Silver teal | Low | Stub | 1 | November 2010 | ... (November 2010) |
| Sir Joseph Banks Group | Low | Start | 1 | October 2014 | ... (October 2014) |
| Skateboarding duck | Low | Start | 1 | February 2007 | ... (February 2007) |
| Skylarking (birds) | Low | Stub | 1 | July 2008 | ... (July 2008) |
| Slaty-backed flycatcher | Low | Stub | 1 | December 2017 | ... (December 2017) |
| Slaty-backed gull | Mid | Start | 1 | May 2019 | ... (May 2019) |
| Slender-billed oriole | Low | Stub | 1 | July 2022 | ... (July 2022) |
| Smooth-billed ani | Low | Start | 1 | November 2020 | ... (November 2020) |
| Snail kite | Low | Start | 1 | January 2026 | ... (January 2026) |
| Snow goose | High | C | 2 | December 2011 | ... (December 2011), CS1 errors: periodical ignored |
| Snow petrel | Mid | C | 2 | July 2009 | ... (July 2009), Dead external links {{dead link}} (May 2024) |
| Snowy owl | Mid | C | 5 | October 2017 | Dead external links {{dead link}} (October 2017, January 2026), Reference cleanup (July 2025), ... (January 2026), Failed verification (January 2026) |
| Sociable weaver | Mid | C | 1 | January 2020 | ... (January 2020) |
| Society finch | Low | C | 2 | July 2011 | ... (July 2011, May 2023) |
| Socorro dove | Low | B | 2 | 2011 | Potentially dated statements (2011), ... (August 2022) |
| Solomons monarch | Low | Stub | 1 | October 2018 | ... (October 2018) |
| Song sparrow | Low | C | 1 | May 2017 | ... (May 2017) |
| Sooty tern | Low | Start | 1 | February 2025 | ... (February 2025) |
| Sort sol | Mid | Start | 1 | August 2022 | ... (August 2022) |
| South Georgia shag | Low | Start | 1 | July 2024 | ... (July 2024) |
| South Island giant moa | Low | C | 2 | February 2025 | CS1 errors: archive-url, ... (February 2025) |
| South polar skua | Mid | Start | 1 | January 2022 | ... (January 2022) |
| Southern black flycatcher | Low | Start | 1 | January 2025 | ... (January 2025) |
| Southern cassowary | Low | B | 2 | 2018 | Potentially dated statements (2018), ... (January 2026) |
| Southern grey-headed sparrow | Low | Stub | 1 | May 2014 | ... (May 2014) |
| Southern ground hornbill | Low | Start | 1 | August 2022 | ... (August 2022) |
| Southern red-billed hornbill | Low | Stub | 1 | May 2018 | ... (May 2018) |
| Spangled cotinga | Low | Start | 1 | August 2022 | ... (August 2022) |
| Spangled drongo | Mid | Start | 2 | January 2025 | Unsourced passages need footnotes {{More citations needed}} (January 2025), ... (January 2025) |
| Sparkie Williams | Low | Start | 2 | August 2024 | CS1 errors: archive-url, ... (August 2024) |
| Speirops | Mid | Stub | 1 | April 2022 | ... (April 2022) |
| Spix's macaw | Mid | B | 1 | January 2014 | ... (January 2014) |
| Splendid astrapia | Low | C | 2 | June 2025 | ... (June 2025), Unsourced passages need footnotes {{More citations needed}} (June 2025) |
| Splendid starling | Low | Stub | 1 | December 2021 | ... (December 2021) |
| Spoon-billed sandpiper | Mid | Start | 1 | March 2024 | ... (March 2024) |
| Spot-bellied bobwhite | Low | Start | 2 | May 2020 | Unsourced passages need footnotes {{More citations needed}} (May 2020), ... (November 2023) |
| Spotted flycatcher | Low | C | 1 | January 2026 | ... (January 2026) |
| Spotted pardalote | Low | C | 2 | June 2012 | ... (June 2012), CS1 errors: ISBN date |
| Spur-winged lapwing | Low | Start | 2 | February 2024 | Unsourced passages need footnotes {{More citations needed}} (February 2024), ... (February 2024) |
| Squab | Mid | B | 9 | July 2011 | Page number citations needed (July 2011), ... (April 2016, December 2019, March 2021, September 2023), Dead external links {{dead link}} (July 2022, February 2023, August 2023), Weasel-worded phrases (October 2024) |
| Sri Lankan junglefowl | Low | Start | 2 | July 2018 | Reference errors, ... (July 2018) |
| Standardwing bird-of-paradise | Mid | C | 1 | October 2023 | ... (October 2023) |
| Stara Zagora Red | Low | Stub | 1 | August 2014 | ... (August 2014) |
| Steamer duck | Mid | Stub | 3 | November 2019 | ... (November 2019, January 2026), Clarification needed (January 2026) |
| Stiff-tailed duck | Mid | C | 1 | February 2024 | ... (February 2024) |
| Stiffkey Fen | Low | Start | 2 | July 2017 | ... (July 2017), Dead external links {{dead link}} (June 2018) |
| Stork | High | B | 3 | April 2021 | ... (April 2021, August 2023, August 2025) |
| Striated antbird | Low | Start | 1 | June 2024 | ... (June 2024) |
| Strigidae | High | C | 1 | November 2024 | ... (November 2024) |
| Strisores | Low | C | 2 | July 2019 | ... (July 2019, March 2022) |
| Strix (bird) | Mid | Start | 1 | February 2007 | ... (February 2007) |
| Sudan golden sparrow | Low | C | 2 | January 2010 | ... (January 2010, April 2010) |
| Suet | Mid | Start | 2 | March 2025 | ... (March 2025), Incomplete citations (November 2025) |
| Sulawesi hornbill | Low | Stub | 3 | April 2010 | Detailed references needed, ... (April 2010), Vague or ambiguous time (May 2014) |
| Sulmtaler | Low | Stub | 1 | August 2014 | ... (August 2014) |
| Sulphur-crested cockatoo | Mid | C | 1 | February 2024 | ... (February 2024) |
| Sulphur-winged parakeet | Low | Start | 1 | March 2023 | ... (March 2023) |
| Sumatra chicken | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Summer tanager | Low | Start | 1 | April 2024 | ... (April 2024) |
| Sunda scops owl | Low | Stub | 1 | February 2025 | ... (February 2025) |
| Superb lyrebird | Low | C | 2 | January 2018 | ... (January 2018), Page number citations needed (June 2023) |
| Superb parrot | Low | C | 1 | March 2009 | ... (March 2009) |
| Swainson's spurfowl | Low | Stub | 1 | September 2022 | ... (September 2022) |
| Swainson's thrush | Low | Start | 3 | December 2023 | Has general references but lacks inline footnotes (December 2023), ... (March 2025), Dead external links {{dead link}} (July 2025) |
| Swallow-tailed kite | Mid | Start | 2 | October 2024 | Potentially dated statements (2024), ... (October 2024) |
| Swamp harrier | Low | Start | 2 | October 2024 | ... (October 2024, January 2026) |
| Swan | Mid | C | 2 | January 2024 | CS1 errors: periodical ignored, ... (January 2024) |
| Swan upping | Low | C | 1 | October 2022 | ... (October 2022) |
| Swiftlet | Low | C | 1 | September 2016 | ... (September 2016) |
| Sykes's nightjar | Low | C | 1 | November 2024 | ... (November 2024) |
| Sylviornis | Mid | C | 1 | May 2023 | ... (May 2023) |
| Tadorna | Mid | C | 2 | October 2024 | ... (October 2024, March 2025) |
| Tahiti swiftlet | Low | Start | 1 | May 2024 | ... (May 2024) |
| Taita falcon | Low | Start | 1 | July 2022 | ... (July 2022) |
| Takahē | High | C | 5 | October 2012 | ... (October 2012, February 2018, April 2020, December 2023), Unsourced passages need footnotes {{More citations needed}} (March 2024) |
| Talking bird | Low | Start | 3 | June 2019 | ... (June 2019, November 2024), Unsourced passages need footnotes {{More citations needed}} (February 2022) |
| Tamaulipas crow | Low | Stub | 1 | January 2026 | ... (January 2026) |
| Tamborine Mountain | Low | C | 2 | July 2021 | ... (July 2021), Dead external links {{dead link}} (February 2025) |
| Tanager | High | B | 1 | January 2014 | ... (January 2014) |
| Tanimbar corella | Mid | Start | 1 | December 2008 | ... (December 2008) |
| Tapaculo | High | Start | 1 | December 2023 | ... (December 2023) |
| Tasmanian wedge-tailed eagle | Low | Start | 2 | November 2010 | ... (November 2010, April 2018) |
| Tawny-chested flycatcher | Low | Start | 1 | March 2025 | ... (March 2025) |
| Telespiza | Mid | Stub | 1 | September 2015 | ... (September 2015) |
| The Ara Project | Mid | Stub | 2 | November 2023 | CS1 errors: archive-url, ... (November 2023) |
| The Birds of America | Mid | C | 1 | November 2017 | ... (November 2017) |
| The Nest (aviary) | Mid | Start | 2 | January 2018 | Unsourced passages need footnotes {{More citations needed}} (January 2018), ... (March 2018) |
| The Private Life of the Kingfisher | Low | Start | 1 | October 2021 | ... (October 2021) |
| The State of Australia's Birds | Low | Start | 2 | August 2023 | Vague or ambiguous geographic scope (August 2023), ... (August 2023) |
| Thick-billed ground dove | Low | Stub | 1 | September 2021 | ... (September 2021) |
| Thick-billed parrot | Mid | Start | 1 | April 2015 | ... (April 2015) |
| Thick-billed raven | Low | Start | 1 | November 2022 | ... (November 2022) |
| Thorn-tailed rayadito | Low | Start | 1 | August 2012 | ... (August 2012) |
| Three Hummock Island | Low | Start | 1 | July 2024 | ... (July 2024) |
| Three-wattled bellbird | Low | C | 1 | December 2022 | ... (December 2022) |
| Timberline sparrow | Low | Stub | 3 | September 2022 | Harv and Sfn no-target errors, Weasel-worded phrases (September 2022), ... (September 2022) |
| Tippler | Low | Start | 7 | July 2013 | ... (July 2013, October 2020), Unsourced passages need footnotes {{More citations needed}} (September 2014), Has general references but lacks inline footnotes (September 2014), Clarification needed (January 2015), CS1 errors: missing title, CS1 errors: bare URL |
| Toco toucan beak | Low | C | 1 | March 2025 | ... (March 2025) |
| Topknot pigeon | Low | Start | 1 | March 2016 | ... (March 2016) |
| Torresian crow | Low | B | 1 | August 2025 | ... (August 2025) |
| Torrey Canyon oil spill | Low | Start | 2 | January 2021 | Weasel-worded phrases (January 2021), ... (December 2025) |
| Toucan | High | C | 1 | December 2017 | ... (December 2017) |
| Towerkill | Mid | Start | 6 | July 2016 | ... (July 2016, August 2024, January 2025), Vague or ambiguous time (December 2018), Incomplete citations (January 2025), Cites unreliable sources (January 2025) |
| Transmission of hepadnaviruses | Low | C | 3 | March 2011 | ... (March 2011, November 2022), Page number citations needed (March 2011) |
| Tree warbler | Mid | Start | 1 | April 2013 | ... (April 2013) |
| Trias greenfinch | Low | Start | 1 | August 2019 | ... (August 2019) |
| Tromelin Island | Low | C | 2 | March 2020 | ... (March 2020), Incomplete citations (July 2020) |
| Tufted puffin | Low | B | 1 | February 2023 | ... (February 2023) |
| Tufted titmouse | Low | Start | 2 | June 2020 | ... (June 2020), Expansion needed (January 2026) |
| Tumbler pigeons | Low | Stub | 1 | August 2024 | ... (August 2024) |
| Tundra swan | Low | Start | 3 | October 2007 | ... (October 2007, January 2009, March 2012) |
| Turdus | Mid | Start | 1 | December 2025 | ... (December 2025) |
| Turkey (bird) | High | C | 3 | December 2016 | ... (December 2016, January 2021, May 2022) |
| Turkey call | Low | List | 3 | October 2009 | ... (October 2009), Original research (May 2018), Unsourced passages need footnotes {{More citations needed}} (May 2018) |
| Turner's eremomela | Low | Start | 1 | October 2024 | ... (October 2024) |
| Tyto | Mid | Start | 2 | February 2007 | ... (February 2007), Potentially dated statements (May 2025) |
| Tūī | Low | C | 1 | May 2024 | ... (May 2024) |
| Ukrainian Skycutter | Low | Stub | 4 | January 2008 | Unsourced passages need footnotes {{More citations needed}} (January 2008), ... (December 2010, February 2017), Accuracy disputes or self-published (December 2018) |
| Ultramarine flycatcher | Low | Stub | 1 | September 2017 | ... (September 2017) |
| Vagrancy (biology) | Low | Start | 2 | September 2018 | Unsourced passages need footnotes {{More citations needed}} (September 2018), ... (January 2026) |
| Variable oystercatcher | Low | Start | 2 | January 2020 | Incomplete citations (January 2020), ... (August 2022) |
| Viduidae | High | Start | 1 | September 2025 | ... (September 2025) |
| Violet cuckoo | Low | Stub | 3 | February 2025 | ... (February 2025), Unsourced passages need footnotes {{More citations needed}} (February 2025), Dead external links {{dead link}} (August 2025) |
| Vorona | Mid | Stub | 2 | August 2020 | ... (August 2020), Clarification needed (September 2022) |
| Vorwerk chicken | Low | Start | 1 | October 2024 | ... (October 2024) |
| Vulture | High | B | 1 | July 2023 | ... (July 2023) |
| Wader | High | Start | 1 | January 2026 | ... (January 2026) |
| Wake Island | Mid | B | 2 | March 2025 | ... (March 2025), CS1 errors: ISBN date |
| Wattled curassow | Low | C | 1 | January 2026 | ... (January 2026) |
| Wattled starling | Mid | Start | 2 | April 2010 | Has general references but lacks inline footnotes (April 2010), ... (October 2011) |
| Wedge-tailed eagle | Mid | B | 3 | October 2024 | Style editing needed (October 2024), Too long (October 2024), ... (October 2024) |
| Welsummer | Low | Stub | 2 | November 2016 | Unsourced passages need footnotes {{More citations needed}} (November 2016), ... (May 2018) |
| West African pied hornbill | Low | Stub | 1 | October 2023 | ... (October 2023) |
| West Wallabi Island | Low | C | 1 | March 2011 | ... (March 2011) |
| Western flycatcher | Low | Start | 1 | June 2008 | ... (June 2008) |
| Western gull | Low | C | 1 | July 2010 | ... (July 2010) |
| Western rockhopper penguin | Low | C | 2 | January 2019 | ... (January 2019), Cites unreliable sources (October 2025) |
| Western screech owl | Low | Start | 2 | August 2025 | ... (August 2025), Style editing needed (August 2025) |
| Whakaari / White Island | Low | C | 1 | December 2019 | ... (December 2019) |
| Whistling duck | Mid | Start | 1 | March 2013 | ... (March 2013) |
| White eared pheasant | Low | Start | 2 | September 2009 | Unsourced passages need footnotes {{More citations needed}} (September 2009), ... (June 2014) |
| White-bellied antbird | Low | Start | 1 | August 2024 | ... (August 2024) |
| White-bellied green pigeon | Low | Stub | 1 | October 2025 | ... (October 2025) |
| White-billed buffalo weaver | Low | Stub | 1 | September 2013 | ... (September 2013) |
| White-bridled finch | Low | Start | 1 | October 2021 | ... (October 2021) |
| White-browed tit-warbler | Low | Start | 1 | April 2020 | ... (April 2020) |
| White-capped albatross | Low | Start | 1 | April 2010 | ... (April 2010) |
| White-cheeked honeyeater | Low | C | 1 | March 2024 | ... (March 2024) |
| White-collared kite | Low | Start | 1 | December 2022 | ... (December 2022) |
| White-crested tiger heron | Mid | Stub | 1 | January 2025 | ... (January 2025) |
| White-eyed parakeet | Mid | Start | 2 | October 2010 | Disputed statements (October 2010), ... (April 2023) |
| White-faced whistling duck | Low | Start | 2 | March 2013 | Has general references but lacks inline footnotes (March 2013), ... (March 2025) |
| White-headed pigeon | Low | Start | 1 | August 2022 | ... (August 2022) |
| White-necked jacobin | Low | Start | 1 | November 2021 | ... (November 2021) |
| White-plumed honeyeater | Low | C | 3 | January 2017 | ... (January 2017), Clarification needed (January 2025), Has general references but lacks inline footnotes (January 2025) |
| White-throated fantail | Low | Start | 2 | April 2017 | ... (April 2017, April 2023) |
| White-winged chough | Low | C | 1 | May 2021 | ... (May 2021) |
| White-winged dove | Low | C | 1 | April 2020 | ... (April 2020) |
| White-winged duck | Low | Start | 1 | August 2011 | ... (August 2011) |
| Whooper swan | Low | Start | 1 | February 2013 | ... (February 2013) |
| Wild Birds Unlimited | Low | Stub | 1 | July 2021 | ... (July 2021) |
| Wild turkey | High | C | 6 | January 2011 | ... (January 2011, November 2016, November 2022, November 2023, April 2024), Vague or ambiguous time (April 2022) |
| WildBird | Low | Start | 1 | February 2025 | ... (February 2025) |
| Wildfowl & Wetlands Trust | Low | Start | 2 | September 2023 | ... (September 2023), Conflict of interest (September 2023) |
| Willet | Low | B | 1 | July 2025 | ... (July 2025) |
| William Bartram | Low | B | 1 | September 2015 | ... (September 2015) |
| William Henry Hudson | Low | Start | 3 | August 2024 | ... (August 2024, October 2024, January 2025) |
| William Turner (naturalist) | Mid | Start | 2 | August 2017 | ... (August 2017), CS1 errors: missing title |
| Willis's antbird | Low | Start | 1 | June 2024 | ... (June 2024) |
| Willow ptarmigan | Low | GA | 2 | April 2023 | ... (April 2023), Reference cleanup (January 2026) |
| Wilson's bird-of-paradise | Low | Stub | 1 | September 2025 | ... (September 2025) |
| Wilson's phalarope | Low | Start | 2 | January 2026 | ... (January 2026), Has general references but lacks inline footnotes (January 2026) |
| Wing | Low | C | 2 | April 2017 | ... (April 2017, January 2025) |
| Wingspan | Mid | C | 1 | February 2009 | ... (February 2009) |
| Wood duck | Mid | Start | 3 | February 2011 | ... (February 2011, January 2012), Vague or ambiguous time (April 2025) |
| Woodhouse's scrub jay | Low | C | 3 | July 2008 | ... (July 2008, July 2015, May 2019) |
| Woodpecker | High | GA | 1 | June 2025 | ... (June 2025) |
| World Birding Center | Low | Start | 1 | September 2021 | ... (September 2021) |
| Wren | High | C | 2 | July 2022 | Reference errors, ... (July 2022) |
| Wrentit | Low | Start | 1 | December 2011 | ... (December 2011) |
| Yellow bittern | Low | Start | 1 | December 2025 | ... (December 2025) |
| Yellow-billed turaco | Low | Stub | 1 | June 2020 | ... (June 2020) |
| Yellow-breasted bunting | Low | Start | 1 | December 2017 | ... (December 2017) |
| Yellow-breasted chat | Mid | Start | 1 | August 2025 | ... (August 2025) |
| Yellow-crowned night heron | Low | Start | 2 | July 2018 | ... (July 2018, November 2025) |
| Yellow-eared parrot | Low | Start | 1 | October 2019 | ... (October 2019) |
| Yellow-headed amazon | Low | B | 1 | April 2023 | ... (April 2023) |
| Yellow-legged gull | Mid | Start | 1 | November 2009 | ... (November 2009) |
| Yellowhead (bird) | Low | Start | 2 | October 2017 | ... (October 2017, January 2026) |
| Yolkless egg | Low | Stub | 2 | September 2020 | ... (September 2020), Rewrite needed (December 2021) |
| Yunnan fulvetta | Low | Stub | 1 | January 2019 | ... (January 2019) |
| Zapata wren | Mid | Start | 1 | November 2019 | ... (November 2019) |
| Zhylgaia | Low | Stub | 1 | July 2020 | ... (July 2020) |
| Zitting cisticola | Low | Start | 2 | January 2021 | ... (January 2021, February 2026) |
| Índio Gigante | Low | Start | 1 | July 2024 | ... (July 2024) |
| Île Saint-Paul | Low | Start | 1 | November 2020 | ... (November 2020) |
| ʻAnianiau | Mid | Start | 1 | September 2015 | ... (September 2015) |
| ʻUla-ʻai-hāwane | Mid | Start | 1 | July 2007 | ... (July 2007) |