Fork-tailed swift is the historic name of a kind of bird which has since been divided taxonomically into four species. It could refer to any of four different species of swifts:
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Pacific swift
The Pacific swift or fork-tailed swift (''Apus pacificus'') is a species of bird that is part of the Swift family. It breeds in eastern Asia. It is strongly migratory, spending the northern hemisphere's winter in Southeast Asia and Austra ...
, ''Apus pacificus''
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Salim Ali's swift
Salim Ali's swift (''Apus salimalii'') is a small bird, superficially similar to a house martin. It is, however, completely unrelated to those passerine species, since swifts are in the order Apodiformes. The resemblances between the groups ...
, ''Apus salimali''
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Blyth's swift
Blyth's swift (''Apus leuconyx''), is a small bird, superficially similar to a house martin. It is, however, completely unrelated to those passerine species, since swifts are in the order Apodiformes. The resemblances between the groups are d ...
, ''Apus leuconyx''
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Cook's swift, ''Apus cooki''
{{Animal common name
Birds by common name