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Mountain Swiftlet

Aerodramus hirundinaceus

The mountain swiftlet (Aerodramus hirundinaceus) is a species of swift in the family Apodidae. It is endemic to the island of New Guinea and the nearby islands of Karkar, Yapen and Goodenough. It was once placed in the genus Collocalia but has been moved, with many others, to Aerodramus. The species is divided into three subspecies, with the nominate, A. h. hirundinacea ranging over most of New Guinea, the subspecies A. h. excelsus occurring over 1600 m in the Snow Mountains and Cartenz peaks of Irian Jaya and A. h. baru being restricted to Yapen Island. It occurs in alpine areas from 500 m to the treeline. Its natural habitat is tropical moist montane forests and other mountainous habitats in New Guinea. It also occurs in lower numbers in the lowlands near hills.

The mountain swiftlet is a medium-sized swiftlet, 11–13 cm long. It has dark brown upperparts and paler grey undersides. The tail is slightly forked. The subspecies vary slightly from the nominate race, A. h. baru has browner underparts and darker upperparts, while A. h. excelsus is larger than the nominate race. Like other members of the genus this species is able to echolocate, a trait it uses to navigate itself in the caves it breeds in.

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More Swifts

A photo of a Himalayan Swiftlet (Aerodramus brevirostris)

Himalayan Swiftlet

Aerodramus brevirostris
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