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Montane fish-eating rat
・ Montane foliage-gleaner
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Montane fish-eating rat : ウィキペディア英語版
Montane fish-eating rat


The montane fish-eating rat (''Neusticomys monticolus'') is a species of semiaquatic rodent in the family Cricetidae. It inhabits the Andes Mountains of Colombia and Ecuador.
==Description==
Montane fish-eating rats are moderately sized rodents, with a head-body length of , a tail long, and a body weight averaging . Unlike all other fish-eating rats of the genus ''Neusticomys'', it has dull greyish-black fur, consisting of a thick, velvety underfur and occasional dark guard hairs. The fur is uniform over most of the body, and, unlike in many other rats, remains thick over the tail. However, the toes of all four feet are white, and some individuals have white spots on the upper body, the tip of the tail, or on the chest region. The ears are unusually large for a member of its tribe, and are visible above the thick fur.
Like other ichthyomyine rodents, montane fish-eating rats have feet adapted for swimming in water. However, the adaptations are less extreme in this species than in most others; for example, the feet are narrower, and the fringe of stiff hairs around the toes is less well developed. A short web, not quite reaching the first joint, connects the second and third and the third and fourth toes. Females have six teats, one pair each on the chest, abdominal, and inguinal regions.〔

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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