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Swallow-tailed kite : ウィキペディア英語版 | Swallow-tailed kite :''For the African species, see African swallow-tailed kite'' The swallow-tailed kite (''Elanoides forficatus'') is an elanid kite which breeds from the southeastern United States to eastern Peru and northern Argentina. Most North and Central American breeders winter in South America where the species is resident year round. It was formerly named ''Falco forficatus''. == Description ==
The species is in length, with a wingspan of approximately . Male and female individuals appear similar. The body weight is .〔()〕〔()〕 The body is a contrasting deep black and white. The flight feathers, tail, feet, bill are all black. Another characteristic is the elongated, forked tail at , hence the name ''swallow-tailed''. The wings are also relatively elongated, as the wing chord measures . The tarsus is fairly short for the size of the bird at .〔''Raptors of the World'' by Ferguson-Lees, Christie, Franklin, Mead & Burton. Houghton Mifflin (2001), ISBN 0-618-12762-3〕 Young swallow-tailed kites are duller in color than the adults, and the tail is not as deeply forked.
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Swallow-tailed kite」の詳細全文を読む
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