Gray-rumped Treeswift
NameGray-rumped Treeswift
Common NameGray-rumped Treeswift
Scientific NameHemiprocne longipennis
FamilyHemiprocnidae
Wingspan (cm)32.5
Length (cm)21.5
Weight (g)37.5
Plumage DetailsThe Gray-rumped Treeswift has dark iridescent greenish-blue upperparts, including a prominent crest on its head. Its rump is distinctly gray, contrasting with the darker back. The underparts are paler, grayish-white, with a darker throat and breast. The gape appears reddish.
Vocalization / CallTypically gives a series of high-pitched, squeaky or buzzing calls, often described as 'tseet-tseet' or 'sree-sree'. These calls are usually given in flight or from a prominent perch.
Primary Dietinsectivore
Primary Habitatsforest, urban
Conservation Statusleast-concern
Geographic RangeWidespread across Southeast Asia, including parts of the Indian subcontinent, Indochina, the Malay Peninsula, Sumatra, Borneo, Java, and the Philippines.
Identifying Featuresprominent crest, long forked tail, gray rump, aerial foraging behavior, long pointed wings
Description
A slender, crested aerial insectivore with long, pointed wings and a deeply forked tail. This species spends much of its time in flight, expertly catching insects, and often perches conspicuously on bare branches. It is known for its graceful, swift flight.
