Any of several small, tailless, furry mammals of the genus Ochotona of the mountains of North America and Eurasia, resembling guinea pigs but belonging to the order of lagomorphs that includes the hares and rabbits.

• 鼠兔鼠兔属中的一种毛茸茸的无尾小哺乳动物，产于北美和欧亚大陆的山中，貌似豚鼠但属于包括家兔和野兔的兔形目