Square-tailed saw-wing

The square-tailed saw-wing (Psalidoprocne nitens), also known as the square-tailed rough-winged swallow is a species of bird in the family Hirundinidae. It is native to the African tropical rainforest.

Square-tailed saw-wing
Conservation status
Least Concern  (IUCN 3.1)[1]
Scientific classification
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Hirundinidae
Genus:	Psalidoprocne
Species:	P. nitens
Binomial name
Psalidoprocne nitens (Cassin, 1857)

Description

It is dark green, almost black.^[2]

Subspecies

There are currently two recognised subspecies.^[3]

• P. n. nitens, the nominate subspecies, which occurs in Guinea, Sierra Leone, Ivory Coast, Ghana, Togo, Nigeria, Gabon, Congo and Angola.
• P. n. centralis, which occurs in northeast Democratic Republic of the Congo.