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Apus pacificus
Also known as: Fork-tailed Swift
Diet
Flying insects
Habitat
Open airspace over lowlands and coasts
Range
East Asia to Australasia (migratory)
Clutch size
2–3 eggs (on breeding grounds)
Incubation period
About 18–19 days
Size
Medium swift (17–18cm)
Wingspan
~40–42cm
Weight
~28–35g
A slim, dark swift with a whitish rump band and long, deeply forked tail, appearing in Borneo mainly as a non-breeding migrant from further north.
Forms large foraging flocks over open lowlands and coastal areas, feeding entirely on the wing on flying insects during its time away from northern breeding grounds.