| Noun | 1. | mouse hare - small short-eared burrowing mammal of rocky uplands of Asia and western North Americagnawing mammal, lagomorph - relative large gnawing animals; distinguished from rodents by having two pairs of upper incisors specialized for gnawing family Ochotonidae, Ochotonidae - pikas and extinct forms little chief hare, Ochotona princeps - North American pika collared pika, Ochotona collaris - similar to little chief hare and may be same species |