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Black bonneted bat
The black bonneted bat, also known as Shaw's mastiff bat, (''Eumops auripendulus''), is a species of bat from the Americas.
==Description==
The black-bonneted bat is a medium sized bat, with adults weighing between . The head and back are covered in dark brown fur that varies from reddish to almost black, while the sides and underparts are a paler, grey, colour. The ears are large and rounded, with a small, pointed tragus and dark, hairless skin. The wing membranes are also dark, and have narrow tips; the fur extends across the upper surface of the wing up to a line between the knees and the midpoint of the humerus. The face is almost entirely hairless, and ends in a blunt muzzle.
Adult males possess a sacular organ on the throat, the function of which is unknown, but which is only vestigial in females. The bat most closely resembles the related Wagner's bonneted bat, but the latter usually has a paler colour and has a different shape to the tragus.〔
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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