Oligoryzomys vegetus, also known as the sprightly colilargo or sprightly pygmy rice rat, is a species of rodent in the genus Oligoryzomys of family Cricetidae. It is found only in the mountains of Costa Rica and western Panama.
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Literature cited
Timm, R. and Woodman, N. 2008. . In IUCN. IUCN Red List of Threatened Species. Version 2009.2. <www.iucnredlist.org>. Downloaded on November 28, 2009.