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amazonian manatee
The Amazonian manatee (''Trichechus inunguis'') is a species of manatee of the order Sirenia. It is found living in the freshwater habitats of the Amazon Basin in Brazil, Peru, Bolivia, Colombia and Ecuador.〔 It has thin, wrinkled skin, and is almost hairless, but has "whiskers" around its mouth.〔(conserve nature manatee site )〕 It also has a distinct white breast patch, with fine hairs scattered over its body.〔Trichechus inunguis. Sandra L. Husar. Mammalian Species , No. 72, Trichechus inunguis (Jun. 15, 1977), pp. 1-4. Published by: American Society of Mammalogists Article Stable URL: http://www.jstor.org/stable/3503928
〕 It is also known as the Amazon Manatee sea cow.〔
The Amazonian manatee is the second-smallest species of manatee after the dwarf manatee (''Trichechus pygmaeus'') from Brazil.〔 However, the validity of the dwarf manatee as a species is the subject of debate, with some believing it to be an immature Amazonian manatee.〔(''Trials of a Primatologist.'' ) - smithsonianmag.com. Accessed March 16, 2008.〕
==Taxonomy==
The specific name, ''inunguis'' is latin for "nailless." The genus name ''Trichechus'', comes from latin meaning "hair", referencing the whiskers around the manatee's mouth.〔
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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