库岛金丝燕

Atiu Swiftlet

Aerodramus sawtelli

易危雨燕目雨燕科

分类位置

雨燕目›雨燕科›Aerodramus库岛金丝燕

同属物种

形态与习性

The Atiu swiftlet or Sawtell's Swiftlet (Aerodramus sawtelli) is a species of bird in the swift family, endemic to Atiu in the Cook Islands. This small, dark swift measures 10 cm (3.9 in) long. It is sooty-brown above, slightly lighter below. Its natural habitats are the island's fernlands and mixed horticultural areas over which it feeds, and in makatea limestone caves within which it nests. The species is known on Atiu as kopeka. Unlike all other swiftlets, it echolocates only through single c

同科物种