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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 Avivore ： ウィキペディア英語版 Avivore An avivore is a specialized predator of birds, with birds making up a large proportion of its diet. Such bird-eating animals come from a range of groups. ==Birds== Birds that are specialized predators of other birds include certain accipiters and falcons. General features of avian avivores include a skull form which is well adapted for grasping and crushing with the beak, although not especially well structured for neck twisting motions.〔()〕 Bird-eating raptors also tend to show greater sexual dimorphism than other raptors, with the females being larger than the males.〔()〕 Some avian avivores such as the shikra, besra, Eurasian sparrowhawk, and sharp-shinned hawk catch their prey by flying from cover in a tree or bush, taking their prey unawares. In contrast, the lanner falcon hunts in open country taking birds by horizontal pursuit. The aplomado falcon will use both ambush and more extended flights. The peregrine falcon dives on flying birds from a great height at speeds that can exceed 300 km/h. The extinct Haast's eagle of New Zealand preyed on the large flightless bird species of the region such as the moa. 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「Avivore」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.