Scientific Name: Hemiprocne longipennis
Malay Name: Layang-layang Berjambul Pinggul Pudar
Chinese Name: 灰腰雨燕
Found from Southern Thailand, Malaysia, Singapore to Indonesia.
Polytypic. Subspecies are: harterti, perlonga, longipennis, wallacii.
Local Subspecies: harterti
Size: 18-21.5 cm
A rather big swift-like bird with dark glossy greenish crown, nape and mantle, blackish lores, greyish throat, whitish underparts. Tail-tip falls short of primary wing tips when perched. In flight, greyish back and rump contrast with dark mantle and has contrasting blackish underwing coverts. Male has chestnut ear-coverts while female has blackish ear-coverts.
Habitat: Open habitat, parkland and forested area.
Behaviour/Ecology: Feed on small insects taken in flight. Usually perch high up on tree.
Local Status: Uncommon resident
Conservation Status: Least Concern (BirdLife International 2016)
Location: Central Catchment Forest, Bukit Timah Nature Reserve, Bukit Batok Nature Park, Bidadari, Singapore Botanic Gardens, Kent Ridge Park and Bishan Park.
BirdLife International. (2016). Hemiprocne longipennis. 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.