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Giant swiftlet

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Through Java, Habitat and Tropics

The giant swiftlet has the largest average wingspan of all the swiftlets, at 150 millimeters. It is a fairly large swift that can grow to 16 cm in length. The female weighs 35 to 39 grams, and the male around 37 grams. Unlike other swiftlets, it builds its nest on a flat horizontal surface instead of molding it against a vertical surface with saliva.

It is not totally nocturnal but able to orientate visually in dim light.

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