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Chatham albatross : ウィキペディア英語版
Chatham albatross

The Chatham albatross (''Thalassarche eremita''), also known as the Chatham mollymawk or Chatham Islands mollymawk,〔Robertson, C. J. R. (2003)〕 is a medium-sized black-and-white albatross which breeds only on The Pyramid, a large rock stack in the Chatham Islands, New Zealand. It is sometimes treated as a subspecies of the shy albatross ''Thalassarche cauta''. It is the smallest of the shy albatross group.
==Taxonomy==
Mollymawks are a type of albatross that belong to Diomedeidae family and come from the Procellariiformes order, along with shearwaters, fulmars, storm petrels, and diving petrels. They share certain identifying features. First, they have nasal passages that attach to the upper bill called naricorns. Although the nostrils on the albatross are on the sides of the bill. The bills of Procellariiformes are also unique in that they are split into between 7 and 9 horny plates. Finally, they produce a stomach oil made up of wax esters and triglycerides that is stored in the proventriculus. This is used against predators as well as an energy rich food source for chicks and for the adults during their long flights.〔Double, M. C. (2003)〕 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 Chatham albatross, with the white-capped, shy and Salvin's albatrosses, were all considered the same species until a 1998 book by Robertson and Nunn.〔Robertson, C. J. R. & Nunn, G. B. (1998)〕 Other experts followed suit, with BirdLife International in 2000,〔BirdLife International (2008)〕 Brooke in 2004,〔Brooke, M. (2004)〕 ACAP in 2006,〔ACAP (2007)〕 and SACC in 2008.〔Remsen Jr., J. V. (2004)〕〔Remsen Jr., J. V. (2005)〕〔Remsen Jr., J. V. (2008)〕 Though some, such as James Clements, do not agree.〔Clements, J. (2007)〕
The Chatham albatross was first described as ''Diomedea cauta eremita'' by Robert Cushman Murphy, in 1930, based on a specimen from Pyramid Rock.〔

抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)
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