Asian Palm Swift

Scientific Name: Cypsiurus balasiensis
Malay Name: Layang-layang Palma Asia
Chinese Name: 棕雨燕

Found throughout Southeast Asia.

Polytypic. Subspecies are: balasiensis, infumatus, bartelsorum, pallidior.

Local Subspecies: infumatus

Size: 11-12 cm

Resembles common swiftlet from far but has rather uniform greyish brown plumage, pale throat, long slender, sickle-shaped wings and distinctive long, deeply forked tail which appears long, narrow and pointed when closed. Looks very similar but is much smaller, more slender-looking and lack the diagnostic white rump-band of the Pacific Swift.

Similar looking species: Grey-rumped Treeswift, Pacific Swift

Habitat: Open habitat and urban areas.

Behaviour/Ecology: Feed on small insects egs. flying ants, termites and beetles taken in flight.

Local Status: Formerly common but now a scarce resident.

Conservation Status: Least Concern (BirdLife International 2016)

Location: Central Catchment Forest, Bukit Timah Nature Reserve, Bidadari, Singapore Botanic Gardens, Kent Ridge, Lorong Halus, Pulau Ubin, Thomson Road.


External Links:
Conservation Status: IUCN Red List Page
Photos: Oriental Bird Images
Sound Recordings: xeno-canto Link
Wikipedia Entry: Wikipedia Link

BirdLife International. (2016). Cypsiurus balasiensis. The IUCN Red List of Threatened Species 2016. Downloaded on 2 September 2021
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.