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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 Grey petrel ： ウィキペディア英語版 Grey petrel The grey petrel (''Procellaria cinerea''), also called the brown petrel, pediunker or grey shearwater〔 is a species of seabird in the Procellariidae, or petrel family. It occurs in the open seas of the Southern Hemisphere, mainly between 49°S and 32°S.〔BirdLife International (2009)〕 ==Taxonomy== The grey petrel is a member of the Procellaria genus, and in turn is member of the Procellariidae family, and the Procellariiformes order. As a member of the Procellariiformes, they share certain identifying features. First, they have nasal passages that attach to the upper bill called naricorns. Although the nostrils on the petrel are on top of the upper bill. The bills of Procellariiformes are also unique in that they are split into between seven and nine horny plates. They produce a stomach oil made up of wax esters and triglycerides that is stored in the proventriculus. This can be sprayed out of their mouths as a defence against predators and as an energy rich food source for chicks and for the adults during their long flights.〔Double, M. C. (2003)〕 Finally, they also have a salt gland that is situated above the nasal passage and helps desalinate their bodies, due to the high amount of ocean water that they imbibe. It excretes a high saline solution from their nose.〔Ehrlich, Paul R. (1988)〕 The grey petrel has been called the pediunker, grey shearwater,〔BirdLife International (2009a)〕 and brown petrel.〔ZipCode Zoo (19 Jun 2009)〕 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「Grey petrel」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.