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Delichon dasypus
Also known as: Asian House Martin
Diet
Flying insects
Habitat
Open country, cliffs, towns during migration
Range
Breeds central and East Asia, winters to Southeast Asia
Clutch size
3–5 eggs (on breeding grounds)
Incubation period
About 15 days
Size
Small (13cm)
Wingspan
~30–32cm
Weight
~15–20g
A compact swallow with glossy blue-black upperparts, a white rump and pale underparts, a winter visitor to Borneo hawking insects over open country.
Often seen in loose flocks feeding high in the air, it can be told from similar swallows by its shorter, only slightly forked tail.