| Saw-wings | |
|---|---|
 | |
| Black saw-wing (Psalidoprocne pristoptera) | |
Scientific classification | |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Order: | Passeriformes |
| Family: | Hirundinidae |
| Subfamily: | Hirundininae |
| Genus: | Psalidoprocne Cabanis, 1851 |
| Type species | |
| Psalidoprocne cypselina[1] Cabanis, 1851 | |
| Species | |
5,See list | |
Thesaw-wings,Psalidoprocne, is a smallgenus ofpasserinebirds in theswallow family. Thecommon name of this group is derived from the rough outer edge of the outer primaryfeather on the wing, which is rough due to recurved barbs. The function of this is unknown.[2] The birds are 11–17 cm long and black or black-and-white in colour.[3] The genus has anAfricandistribution and all species can be found foraging over forest and woodland.[3]The last part of their scientific name comes from the eldest daughter of King Pandion of Athens,Procne, who was turned into a swallow after tricking her abusive husband.
There are at least fivespecies of saw-wing. The black saw-wing has a large number ofsubspecies and many of these are sometimes considered to be separate species.[4] The species, in taxonomic order, are:
| Image | Scientific name | Common name | Distribution |
|---|---|---|---|
.jpg) | Psalidoprocne nitens | Square-tailed saw-wing | Angola, Cameroon, Central African Republic, Republic of the Congo, Democratic Republic of the Congo, Ivory Coast, Equatorial Guinea, Gabon, Ghana, Guinea, Liberia, Nigeria, and Sierra Leone. |
 | Psalidoprocne fuliginosa | Mountain saw-wing | Bioko island and adjacent Mt. Cameroon. |
.jpg) | Psalidoprocne albiceps | White-headed saw-wing | Angola, Burundi, Democratic Republic of the Congo, Ethiopia, Kenya, Malawi, Rwanda, South Sudan, Tanzania, Uganda, and Zambia. |
 | Psalidoprocne pristoptera | Black saw-wing | across Africa from eastern Nigeria and Ethiopia south to Angola, northern Zimbabwe and northern Mozambique |
_(cropped).jpg) | Psalidoprocne obscura | Fanti saw-wing | southern west Africa from Senegal to Cameroon |
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