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Heuglin's bustard
Heuglin's bustard (''Neotis heuglinii'') is a species of bird in the bustard family. It is a fairly large species, at up to in length.〔''Field Guide to the Birds of East Africa: Kenya, Tanzania, Uganda, Rwanda, Burundi'' by Stevenson & Fanshawe. Elsevier Science (2001), ISBN 978-0856610790〕 The males weigh and the much smaller females weigh .〔''CRC Handbook of Avian Body Masses'' by John B. Dunning Jr. (Editor). CRC Press (1992), ISBN 978-0-8493-4258-5.〕 Other than size, sexes differ considerably in appearance. The striking male has a large back marking over the crown down the face to the chin with a bluish-grey neck. On the male, a chestnut band on the lower chest which is separated from the white belly by a thin black band. The female is much more of a subdued brownish color overall, with no bold black markings and has a face lined with faint slate-gray markings. In flight, the species reveals a white primary wedge on the otherwise dark upperwing, a feature obscured when the species is standing.〔
The Heuglin's bustard is found in Djibouti, Eritrea, Ethiopia, Kenya, and Somalia. It occurs in pairs or small groups in arid or semi-arid grasslands, even ranging into desert-edge.〔
==References==
抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』
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