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Stephens' kangaroo rat
Stephens' kangaroo rat, ''Dipodomys stephensi'', is a species of rodent in the family Heteromyidae. It is endemic to the Southern California region of the United States, primarily in western Riverside County.〔(SIBR database; Stephens' Kangaroo Rat. ) Retrieved October 3, 2009.〕 The species is named after American zoologist Frank Stephens (1849-1937).
The natural habitat of Stephens' kangaroo rat is sparsely vegetated temperate grassland.〔Bleich, Vernon C. 1977. "Dipodomys stephensi". Mammalian Species 73:1-3.()〕 This habitat has been destroyed or modified for agriculture throughout the species' range; as a result, Stephens' kangaroo rat is listed as an endangered species by the U.S. Fish and Wildlife Service. It occurs sympatrically with the agile kangaroo rat, but tends to prefer few shrubs and gravelly soils to the agile's preference for denser shrubs.〔Price, Mary V., William S. Longland, and Ross L. Goldingay. 1991. "Niche Relationships of Dipodomys agilis and D. stephensi: Two Sympatric Kangaroo Rats of Similar Size." American Midland Naturalist 126 (1) (July 1): 172-186. .〕
==References==
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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