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Pale spear-nosed bat : ウィキペディア英語版 | Pale spear-nosed bat
The pale spear-nosed bat ''(Phyllostomus discolor)'' is a species of phyllostomid bat from South and Central America. ==Description== Pale spear-nosed bats are relatively robust for bats. Adults range from in total length, with an average wingspan of . Males are significantly larger than females, weighing an average of , compared with . The fur is variable in colour, and may range from a pale yellowish brown to a much darker, almost blackish shade, over most of the body. The chest and belly are much paler, varying from near white to frosted grey. The wings are large, with rounded tips, and have an average aspect ratio of 7.13 and a wing loading of . The uropatagium is large, extending to the ankles, and is about three times the length of the tail, the tip of which projects from the upper surface of the membrane. The face is broad, with a short snout and rounded cranium, which encloses a large brain with well-developed cerebral hemispheres. The nose-leaf is well developed, with a long and broad spear-like projection from the upper surface, while the ears are also broad, and long enough to reach the tip of the snout when projected forward. Males have a large, glandular sac in the throat region, which is almost entirely absent in females.〔
抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Pale spear-nosed bat」の詳細全文を読む
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