Ridgetop Swiftlet
A species of Glossy Swiftlets and Allies Scientific name : Collocalia isonota Genus : Glossy Swiftlets and Allies
Ridgetop Swiftlet, A species of Glossy Swiftlets and Allies
Botanical name: Collocalia isonota
Genus: Glossy Swiftlets and Allies
Content
Description
Photo By Nikolaj Mølgaard Thomsen 
Description
The ridgetop swiftlet is 9–10 cm (3.5–3.9 in) in length with a square tail. The back and upper surface of the wings are a dark dull blue with a moderate green gloss. The rump is sometimes slightly paler due to the white margins of feathers forming the uppertail coverts. The throat and upper breast are dark grey with fine white scalloping merging into larger greyish chevrons over the lower breast and flanks, becoming white over the belly. There is sometimes a tuft of small feathers on the hallux, the rear facing toe. This species lacks the white spots on the inner webs of the tail feathers that are present in some Collocalia species. 
Photo By Nikolaj Mølgaard Thomsen 
Scientific Classification
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