Blyth's Swift

Apus leuconyx

A large swift with long pointed wings and a long, deeply forked tail. It has black upperparts, tail, and wings, with a prominent white rump. Feathers of underparts broadly fringed with dirty white, and throat is whitish. Often difficult or nearly impossible to separate in the field from other similar “fork-tailed swifts,” but the white rump band is slightly thinner than that of Pacific Swift, while Salim Ali’s Swift has a slightly differently shaped white throat patch. This species is less blackish than Cook’s Swift, with a slightly wider rump band. Mostly sticks to hills while breeding, but disperses widely post-breeding and large flocks or loose individuals can be seen almost anywhere. 

Taxonomy

Scientific name
Apus leuconyx
Authority
(Blyth, 1845)
Order
Apodiformes
Family
Apodidae
Genus
Apus

Range and habitat

Breeding range
PAL, OR : mid to high altitudes in Pakistan, Nepal, Bhutan and ne India
Non-breeding range
some winter at lower altitudes in Nepal and peninsular India

Photos

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