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 erstwhile members are now normally (though not by all authors) placed in Aerodramus. Remaining in Collocalia are: \n* Glossy swiftlet, Collocalia esculenta \n* Grey-rumped swiftlet, Collocalia (esculenta) marginata \n* Christmas swiftlet, Collocalia (esculenta) natalis \n* Cave swiftlet, Collocalia linchi \n* Bornean swiftlet, Collocalia dodgei \n* Pygmy swiftlet, Collocalia troglodytes