White-bellied swiftlet

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White-bellied swiftlets
File:Collocallia esculenta - Meyers.png
Glossy Swiftlet (Collocalia esculenta)
Scientific classification
Unrecognized taxon (fix):	Collocalia
Species
11, see text.

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.

Based on Rheindt et al., the Glossy Swiftlet, Collocalia esculenta, has been split into 8 species:

• Tenggara Swiftlet, Collocalia sumbawae (sumbawae, sumbae)
• Christmas Island Swiftlet, Collocalia natalis (monotypic)
• Plume-toed Swiftlet, Collocalia affinis (affinis, elachyptera, vanderbilti, oberholseri, cyanoptila)
• Ridgetop Swiftlet, Collocalia isonota (isonota, bagobo)
• Grey-rumped Swiftlet, Collocalia marginata (septentrionalis, marginata)
• Drab Swiftlet, Collocalia neglecta (neglecta, perneglecta)
• Glossy Swiftlet, Collocalia esculenta (all other subspecies)
• Satin Swiftlet, Collocalia uropygialis (uropygialis, albidior)

Remaining in Collocalia are:

• Glossy Swiftlet, Collocalia esculenta
  • Grey-rumped Swiftlet, Collocalia (esculenta) marginata
  • Christmas Island Swiftlet, Collocalia (esculenta) natalis
• Cave Swiftlet, Collocalia linchi
• Pygmy Swiftlet, Collocalia troglodytes
• Bornean Swiftlet, Collocalia dodgei

An Early Miocene fossil swiftlet from the famous Riversleigh deposits of Australia was described as Collocalia buday. This as well as a right ulna (MNZ S42799) found at the Manuherikia River in Otago, New Zealand and dating from the Early to Middle Miocene (Awamoan to Lillburnian, 19-16 million years ago) would probably go into Aerodramus too.

Footnotes

References

• Boles, Walter E. (2005): A New Flightless Gallinule (Aves: Rallidae: Gallinula) from the Oligo-Miocene of Riversleigh, Northwestern Queensland, Australia. (2005) Records of the Australian Museum 57(2): 179–190. ODF fulltext
• Worthy, Trevor H.; Tennyson, A.J.D.; Jones, C.; McNamara, J.A. & Douglas, B.J. (2007): Miocene waterfowl and other birds from central Otago, New Zealand. J. Syst. Palaeontol. 5(1): 1-39. doi:10.1017/S1477201906001957 (HTML abstract)

This article is part of Project Bird Genera, a All Birds project that aims to write comprehensive articles on each genus, including made-up genera.