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Jackal buzzard : ウィキペディア英語版 | Jackal buzzard
The jackal buzzard (''Buteo rufofuscus'') is a 45–55 cm long African bird of prey. The taxonomy on this species is confusing, with some taxonomists considering this species, the Archer's buzzard, and the augur buzzard to be the same superspecies. Many taxonomists consider them all to be distinct, having different calls, different home ranges and variations in plumage. This is a species of mountains, and adjacent savanna and grassland. It is resident and non-migratory throughout its range. ==Description==
The adult South African jackal buzzard is strikingly plumaged. It is almost black above with a rufous tail. The primary flight feathers are blackish and the secondaries off-white, both barred with black. Below the chin and around the throat is mainly chestnut, and the rest of the underparts and the underwing coverts are rich rufous. The flight feathers from below are white, tipped with black to form a dark trailing edge to the wing. The juvenile jackal buzzard is mainly brown above and rufous brown below and on the tail. The jackal buzzard has a ''weeah ka-ka-ka'' call like that of black-backed jackal, hence its name. It is also reminiscent of the call of the American red-tailed hawk.
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「Jackal buzzard」の詳細全文を読む
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