High Quality Content by WIKIPEDIA articles! The Edible-nest Swiftlet (Aerodramus fuciphagus) is a small bird of the swift family which is found in South-east Asia. Its nest is made of solidified saliva and is used to make bird's nest soup. It is 11 to 12 cm long and weighs 15 to 18 grams. The plumage is blackish-brown above, paler on the underparts. The rump is slightly paler than the rest of the upperparts. The tail is slightly forked and the wings are long and narrow. The bill and feet are black. The subspecies A. f. micans is paler and greyer while A. f. vestitus is darker with a rump that is less obviously paler. Several calls are uttered including a loud, rattling call used for echolocation in dark caves. It feeds over a range of habitats from coastal areas to the mountains, occurring up to 2,800 metres above sea-level on Sumatra and Borneo. Its diet consists of flying insects which are caught on the wing. It often feeds in large flocks with other species of swift and swallow.

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