Greater adjutant (English name: Leptoptilos dubius; greater adjutant)

Japanese: オオハゲコウ(英語表記)Leptoptilos dubius; greater adjutant
Greater adjutant (English name: Leptoptilos dubius; greater adjutant)
Order Ciconiiformes, Family Ciconidae. Average length 136cm. Very large bird with long legs, bare head and neck, and a neck pouch hanging from the throat. The feathers are black on the back and white on the belly. The beak is about 30cm long and has a sharp edge at the joint. It is found from India to the Indochina Peninsula. It lives near human settlements and in towns, and eats animal carcasses, scraps, fish, frogs, birds, mice, and anything else. Its bare head and neck are thought to be a way to keep its feathers clean before eating carcasses, just like vultures. There are two other species of marabou storks: the African marabou stork L. crumenifer , found in Africa, and the lesser marabou stork L. javanicus , found in India, southern China, the Indochina Peninsula, and the Malay Archipelago.

Source: Encyclopaedia Britannica Concise Encyclopedia About Encyclopaedia Britannica Concise Encyclopedia Information

Japanese:
コウノトリ目コウノトリ科。全長は平均 136cm。非常に大きな鳥で,脚が長く,頭頸部は皮膚が裸出し,喉から頸嚢と呼ばれる袋がぶらさがっている。羽色は背面が黒く,腹は白い。嘴は長さがおよそ 30cmもあり,合わせ目の縁が鋭くなっている。インドからインドシナ半島まで分布する。人家の近くや町なかにすみ,動物の死体や残飯類のほか,魚やカエル,鳥,ネズミなどなんでも食べる。頭頸部が裸なのはハゲワシ類同様,死体を食べるときにあらかじめ羽毛が汚れないようになっていると考えられている。ハゲコウ類はほかに 2種があり,アフリカハゲコウ L. crumenifer がアフリカに,コハゲコウ L. javanicus がインドから中国南部,インドシナ半島,マレー諸島にかけて分布する。

出典 ブリタニカ国際大百科事典 小項目事典ブリタニカ国際大百科事典 小項目事典について 情報

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