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The Nile lechwe, wasserbock or Mrs Gray's lechwe or waterbuck〔 (''Kobus megaceros'') is a species of antelope in the genus ''Kobus'' in the family Bovidae. It was first described by Leopold Fitzinger in 1855. Nile lechwe stand at the shoulder and weigh from . Nile lechwe are a herbivores, feeding on foliage, grasses, fruits, and twigs. They are gregarious, and form large, loose herds. They are found in floodplains in Southern Sudan and far southwestern Ethiopia. The species is native to Ethiopia and Sudan. It is listed as endangered by the IUCN, and its population is gradually decreasing. == Description == Males are an average of long and tall at the shoulders, and weigh between , while females are an average of long, tall at the shoulders, and weigh . Nile lechwes live an average of 10 to 11.5 years, and most uncommonly 19 years.〔 Their coats are shaggy with the hair on the cheeks particularly long in both sexes, and males may have even longer hair on their necks. Nile lechwe exhibit extreme sexual dimorphism.〔(【引用サイトリンク】url=http://www.arkive.org/nile-lechwe/kobus-megaceros/ )〕 Females are golden-brown (juveniles also have golden-brown coat, but the color changes to dark brown in young males when they reach two to three years of age) with white underbellies and no horns. Males are chocolate brown to russet with white 'hoods' over their shoulders and small white patches over their eyes. They have long, ridge-structured horns which are vaguely 'S'-shaped in profile. The horns, long, are strongly ridged at their bases and are curved at the tips. Yearlings are usually infected by warble flies, which can also make them unhealthy. 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「Nile lechwe」の詳細全文を読む スポンサード リンク
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