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翻訳と辞書　辞書検索 [ 開発暫定版 ] スポンサード リンク Chatham raven ： ウィキペディア英語版 Chatham raven The Chatham raven was a large songbird native to the Chatham Islands (New Zealand). Another closely related raven occurred on the North Island and South Island of New Zealand, namely the New Zealand raven, ''C. antipodum''. This was formerly included in ''C. moriorum'', but is considered a distinct species today. A reconstruction of the species is in the Museum of New Zealand Te Papa Tongarewa, specimen MNZ S.036749. ==Description and ecology== The Chatham raven was significantly larger than the New Zealand raven, and probably the world's fourth- or fifth-largest passerine. They had long, broad bills that were not as arched as those of some of the Hawaiian crows (''C. hawaiiensis''). Presumably, they were black all over like all their close relatives. There do not seem to be recorded oral traditions of this species – most of the Moriori people, after whom this species was named, were eventually killed or enslaved by Māori explorers, and little of their natural history knowledge has been preserved. Thus, it cannot be completely ruled out that like some congeners they had partially white or grey plumage (see also Pied raven). Remains of Chatham ravens are most common in coastal sites on the Chatham Islands. On the coast, it may have frequented the seal and penguin colonies or fed in the intertidal zone, as does the Tasmanian forest raven (''C. tasmanicus''). It may also have depended on fruit, like the New Caledonian crow (''C. moneduloides''), but it is difficult to understand why a fruit eater would have been most common in coastal forest and shrubland when fruit was distributed throughout the forest. 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「Chatham raven」の詳細全文を読む スポンサード リンク 翻訳と辞書 : 翻訳のためのインターネットリソース Copyright(C) kotoba.ne.jp 1997-2016. All Rights Reserved.