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Kori bustard : ウィキペディア英語版 | Kori bustard
The kori bustard (''Ardeotis kori'') is the largest flying bird native to Africa. It is a member of the bustard family, which all belong to the order Gruiformes and are restricted in distribution to the Old World. It is one of the four species (ranging from Africa to India to Australia) in the large-bodied ''Ardeotis'' genus. In fact, the male kori bustard may be the heaviest living animal capable of flight. This species, like most bustards, is a ground-dwelling bird and an opportunistic omnivore. Male kori bustards, which can be more than twice as heavy as the female, attempt to breed with as many females as possible and then take no part in the raising of the young. The nest is a shallow hollow in the earth, often disguised by nearby obstructive objects such as trees. The specific epithet ''kori'' is derived from the Tswana name for this bird - ''Kgori''.〔 ==Distribution==
The kori bustard is found throughout southern Africa, except in densely wooded areas. They are common in Botswana and Namibia, extending into southern Angola and marginally into southwestern Zambia. In Zimbabwe they are generally sparse but locally common, particularly on the central plateau. Their distribution range extends along the Limpopo River valley into southern Mozambique and the eastern lowveld of South Africa. In South Africa they are also infrequent to rare in the Free State, North West and Northern Cape Provinces, extending southwards into the interior of the Western and Eastern Cape Provinces. Kori bustards are absent from the coastal lowlands along the south and east of South Africa and from high mountainous areas. This species is common in Tanzania at Ngorongoro National Park, Kitulo National Park and Serengeti National Park. A geographically disjunct population also occurs in the deserts and savanna of northeastern Africa. Here, the species ranges from extreme southeast South Sudan, north Somalia, Ethiopia through all of Kenya (except coastal regions), Tanzania and Uganda.〔Sinclair I. & Ryan P. 2003. ''A comprehensive illustrated field guide : Birds of Africa south of the Sahara''. Struik Publishers, Cape Town.〕 Kenya may hold the largest population of kori bustards of any country and it can even border on abundant in the North Eastern Province.〔 They are usually residential in their range, with some random, nomadic movement following rainfall.〔Ginn P.J., McIlleron W.G. & Milstein P. le S. 1989. ''The Complete Book of southern African birds''. Struik Winchester, Cape Town.〕
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