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Guianan bonneted bat : ウィキペディア英語版 | Guianan bonneted bat
The Guianan bonneted bat, or Thomas' mastiff bat, (''Eumops maurus'') is a species of free-tailed bat from South America. It is poorly understood, because it is difficult to capture, and may be one of the rarest Neotropical bats.〔 ==Description== The Guianan bonneted bat appears similar to other mastiff bats, with a body about long, and a tail measuring about . The fur is dark chocolate brown in colour, and only slightly paler on the underside than on the rest of the body. The most distinctive feature is a narrow band of white hair running along each flank to the forward part of the mesopatagium. The ears are large and rounded, positioned close together at the base, and mostly hairless, with a small tragus and long antitragus. The wings have narrow tips, and are covered in fur to about half the way along the humerus and femur. The uropatagium is also furred for about a third of its area, and is bounded by long calcars running for about three quarters of the length of the membrane edge. Overall, the wing membranes are pale brown in colour. Males also possess a prominent gland on the throat that is either missing or extremely small in females.〔
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