Eriocnemis
Eriocnemis luciani
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Clade:	Strisores
Order:	Apodiformes
Family:	Trochilidae
Tribe:	Heliantheini
Genus:	Eriocnemis Reichenbach, 1849
Type species
Eriopus simplex[1] Gould, 1849
Species
see text.

Eriocnemis is agenus ofhummingbirds, which - together with the species in the genusHaplophaedia - are known aspufflegs. They occur in humid forest, woodland and shrub at elevations of 1000 to 4800meters above sea level in theAndes ofArgentina,Bolivia,Peru,Ecuador,Colombia, andVenezuela. The males have a colourful green, coppery or blueplumage, and the females are generally somewhat duller. The most striking feature of both sexes in the genusEriocnemis are their dense snow-white leg-puffs which consist of feather tufts that resemble woolly panties. One species, theblack-thighed puffleg - is characterized by black coloured leg-puffs. Most have a contrasting blue, purple or coppery-red vent, but this is green in the black-thighed and emerald-bellied puffleg. Further common features of all species are the straight black bill and the slightly to deeply forked tail. The genus name was coined by the German naturalistLudwig Reichenbach who called themSnowy panties.

While most members of this genus remain fairly common, three species (colorful puffleg,black-breasted puffleg andgorgeted puffleg) arecritically endangered and one (theturquoise-throated puffleg) is possiblyextinct.

The genus contains 11 species:^[2]

GenusEriocnemis –Reichenbach, 1849 – eleven species

Common name	Scientific name and subspecies	Range	Size and ecology	IUCN status and estimated population
Black-breasted puffleg	Eriocnemis nigrivestis (Bourcier & Mulsant, 1852)	Ecuador	Size: Habitat: Diet:	EN
Gorgeted puffleg	Eriocnemis isabellae Cortés-Diago, Ortega, Mazariegos-Hurtado & Weller, 2007	Colombia	Size: Habitat: Diet:	CR
Glowing puffleg	Eriocnemis vestita (Lesson, 1839) Four subspecies E. v. paramilloChapman (1917) E. v. vestitaLesson (1838) E. v. smaragdinipectusGould (1868) E. v. arcosaeSchuchmann,Weller, &Heynen (2001)	Colombia, Ecuador, Peru, and Venezuela	Size: Habitat: Diet:	LC
Black-thighed puffleg	Eriocnemis derbyi (Delattre & Bourcier, 1846)	Colombia and Ecuador	Size: Habitat: Diet:	NT
Turquoise-throated puffleg	Eriocnemis godini (Bourcier, 1851)	Ecuador	Size: Habitat: Diet:	CR
Coppery-bellied puffleg	Eriocnemis cupreoventris (Fraser, 1840)	Colombia and Venezuela	Size: Habitat: Diet:	NT
Sapphire-vented puffleg	Eriocnemis luciani (Bourcier, 1847) Five subspecies E. l. meridaeSchuchmann,Weller, &Heynen (2001) E. l. lucianiBourcier (1847) E. l. baptistae Schuchmann, Weller, & Heynen (2001) E. l. catharinaSalvin (1897) Coppery-naped pufflegTaczanowski (1874)	Colombia, Ecuador, Peru, and possibly Venezuela	Size: Habitat: Diet:	LC
Golden-breasted puffleg	Eriocnemis mosquera (Delattre & Bourcier, 1846)	Colombia and Ecuador.	Size: Habitat: Diet:	LC
Blue-capped puffleg	Eriocnemis glaucopoides (d'Orbigny & Lafresnaye, 1838)	Argentina and Bolivia.	Size: Habitat: Diet:	LC
Colorful puffleg	Eriocnemis mirabilis Meyer de Schauensee, 1967	Colombia	Size: Habitat: Diet:	CR
Emerald-bellied puffleg	Eriocnemis aline (Bourcier, 1843)	Colombia, Ecuador, and Peru	Size: Habitat: Diet:	LC

In addition there were the controversial species:Eriocnemis söderströmi,E. isaacsoni andE. dyselius which were each only known by onespecimen. In the case ofE. söderströmi it could have been either the female ofE. godini or ahybrid betweenE. luciani andE. nigrivestris.E. dyselius was nothing more than amelanistic individual ofE. cupreoventris. Today these species are considered invalid.

• Heynen, I. (1999). GenusEriocnemis. pp. 639–641 in: del Hoyo, J., Elliott, A., & Sargatal, J. eds. (1999).Handbook of the Birds of the World. Vol. 5. Barn-owls to Hummingbirds. Lynx Edicions, Barcelona.ISBN 84-87334-25-3
• Systematics and biogeography of the Andean genus Eriocnemis (Aves: Trochilidae) (Abstract)

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