Scientific Name: Apus pacificus
Malay Name: Layang-layang Sabit Asia Timur
Chinese Name: 白腰雨燕
Alternative Name(s): Fork-tailed Swift (old)
Range:
Found from Siberia, China, Japan, Korea to Taiwan, wintering and passage migrant to Hong Kong, mainland Southeast Asia, Indonesia and Australia.
Taxonomy:
Polytypic. Subspecies are: pacificus, kanoi.
Local Subspecies: pacificus
Size: 18-19.5 cm
Identification:
Brownish upperpart plumage, long sickle-shaped wings and sharply forked tail separate it from House Swift. Distinguished from the similar looking Asian Palm Swift by its larger size, whitish throat and diagnostic white-rump band.
Similar looking species: Grey-rumped Treeswift, Asian Palm Swift, House Swift
Habitat: Open habitat and forested areas.
Behaviour/Ecology: Feed on small insects egs. bees, wasps, termites, moths and flies taken in flight.
Local Status: Uncommon winter visitor and passage migrant.
Conservation Status: Least Concern (BirdLife International 2019)
Location: Central Catchment Forest, Bukit Timah Nature Reserve, Punggol Barat, Southern Ridges, Tuas South, Pulau Ubin and Singapore Straits.
Photos:
External Links:
Conservation Status: IUCN Red List Page
Photos: Oriental Bird Images
Sound Recordings: xeno-canto Link
Wikipedia Entry: Wikipedia Link
References:
BirdLife International. (2019). Apus pacificus. The IUCN Red List of Threatened Species 2019. Downloaded on 2 September 2021
Robson, C. (2008). A Field Guide to the Birds of South-East Asia. New Holland Publishers.