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Nelson's pocket mouse
Nelson's pocket mouse (''Chaetodipus nelsoni'') is a species of rodent in the family Heteromyidae. It is found in Mexico and in New Mexico and Texas in United States.〔 It is named in honor of the American naturalist Edward William Nelson.
==Description==
Nelson's pocket mouse is a medium-sized, long-tailed pocket mouse growing to a total length of including a tail of . The external cheek pouches are lined with fur, the ears are small and oval in shape and the body is slender. The front feet are small while the hind feet are larger, and the fur on the rump contains numerous dark-tipped, grooved spines. The color of the back and sides is brown, the hairs having a dark gray base, a grayish-fawn centre and black tips. There is a pale area round the eye. The underparts are whitish with a narrow fawn line separating the color zones. The tail has sparse hairs on the front half and a crest of hairs on the back half which has a tufted tip. It closely resembles the lined pocket mouse (''Chaetodipus lineatus'') but that species lacks the stiff spines on the rump.
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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