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Chatham petrel : ウィキペディア英語版 | Chatham petrel
The Chatham petrel (''Pterodroma axillaris'') or ranguru (Maori) is a medium-sized, grey, white and black gadfly petrel. It is endemic to the Chatham Islands, New Zealand, and until recently was restricted to the 218-hectare Rangatira or South-East Island. ==Description==
The head, back and upper-wings are slate grey, while the shoulders and upper-wing coverts are a deeper grey giving a dark M pattern across the spread upper wings. the forehead is mottled grey and white, and the underparts are white. The under-wing is white except for dark outer tips to the primaries, and a narrow dark trailing edge. A black diagonal band runs from the bend of the wing to the body at the base of the underwing (which distinguishes it from the similar black-winged petrel with the latter having a narrower band not extending as far as the body).
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 petrel」の詳細全文を読む
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