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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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What Our Birders Say
EandB17
Terrific App for Birders
Downloaded Birda around the time my interest in birding was sparked, and it has been a terrific app to help me (1) share my experience, (2) document my sightings, and (3) learn more about birds in general. That said, I also believe Birda is a fantastic app for birders of all experience levels. Great community!
JCBirding
Just what birding needs
We need more fun in birding, for years it has had a reputation for being up tight and stuffy and only perused by retirees and anoraks. Birda helps change that perception and firmly brings birding into the 21st century! Fun, interactive while still contributing to science and conservation. If you aren’t on it, why not??
Marlster24
Recommend for any bird watcher
Very wholesome app: I joined this app with a new interest in watching birds to help me find out what I was spotting. The community is very active in helping identify birds which is great and everyone is very kind so it’s just a nice wholesome community. I would definitely recommend this for any bird spotter 😃
Alice J
Awesome Birding Community
I absolutely love the community aspect of this app. The app is so user friendly and has fun interactive challenges to get you out birding. I’ve tried others but since I’ve started using Birda I’ve not gone back!
David C
Very knowledgeable group
Nice friendly birding community. Very knowledgeable group with a willingness to help.
Madstherangers
A mordern game changer
Birda is an awesome app, its updated the world of birding to the modern day with a fun and easy to use app. It’s engaging and allows positive interaction with fellow bird lovers!
Carrie
Makes you want to spot birds more
I think this app is fun. It makes you want to spot birds more so I guess in a way it encourages you to get out and about instead of sitting in front of the TV.
BCHphotography_
Such a great app!
I didn’t think I could enjoy birding more but this app makes it so much better. Some great features and a really great way to share your sightings with your friends or fellow birders nearby or around the world! ❤️
Stewart W
Fantastic to be involved
Fantastic to be involved, great for mental health and gets you responding with the Challenges that are to takd part in.
Foxgirl100
Great app for beginner twitchers
I’ve had a passion of photographing birds for a long time now but have only just gotten into proper birdwatching, and this app is brilliant for those just getting started. There is a great sense of community among users and the app is very easy to use and professional. Awesome app altogether
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