Hemiprocne longipennis
Family: Treeswifts · Status: Uncommon resident · Size: 18–21.5 cm · Conservation: Least Concern
Resident in southern Thailand, Peninsular Malaysia, Singapore, and Indonesia.
A large swift-like bird with dark glossy greenish crown, nape and mantle, blackish lores, greyish throat, and whitish underparts. Wings extend beyond the tail tip when perched. In flight, greyish back and rump contrast with the dark mantle and has contrasting black underwing coverts. Male has chestnut ear-coverts; female has blackish ear-coverts.
Open habitat, parkland and forested areas.
Feed on small insects taken in flight. Usually perches high up on trees.