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Waved albatross
The waved albatross (''Phoebastria irrorata''), also known as Galapagos albatross,〔Remsen Jr., J.V. (2008)〕 is the only member of the Diomedeidae family located in the tropics. When they forage, they follow a straight path to a single site off the coast of Peru, about to the east. During the non-breeding season, these birds reside primarily on the Ecuadorian and Peruvian coasts.
==Taxonomy==
Waved albatrosses 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 of the albatross are on the sides of the bill. The bills of Procellariiformes are also unique in that they are split into between seven and nine 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 and 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)〕
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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