a small mammal related to the rabbits, having rounded ears, short limbs, and a very small tail, found mainly in the mountains and deserts of Asia 鼠兔。 亦称mouse hare
Family Ochotonidae and genus Ochotona: many species, including the collared pika (O. collaris), of western North America 鼠兔科,鼠兔属: 多种,包括北美西部的斑颈鼠兔(拉丁名O. collaris)