Collocalia
Collocalia is a genus of swifts, containing some of the smaller species termed "swiftlets". Formerly a catch-all genus for these, a number of its former members are now normally placed in Aerodramus.
Taxonomy
The genus Collocalia was introduced in 1854 by the English zoologist George Robert Gray with Hirundo esculenta Linnaeus, the glossy swiftlet, as the type species. The name Collocalia combines the classical Greek words kolla meaning "glue" and kalia for "nest".The genus previously contained fewer species. Seven subspecies of the glossy swiftlet were promoted to species status based on a detailed analysis of the swiftlets in the genus Collocalia published in 2017.
Species
Extant
The genus now contains the following 11 species:- Plume-toed swiftlet, Collocalia affinis
- Grey-rumped swiftlet, Collocalia marginata
- Ridgetop swiftlet, Collocalia isonota
- Tenggara swiftlet, Collocalia sumbawae
- Drab swiftlet, Collocalia neglecta
- Glossy swiftlet, Collocalia esculenta
- Satin swiftlet, Collocalia uropygialis
- Bornean swiftlet, Collocalia dodgei
- Cave swiftlet, Collocalia linchi
- Christmas Island swiftlet, Collocalia natalis
- Pygmy swiftlet, ''Collocalia troglodytes''
Fossil species