common small rabbit of North America having grayish or brownish fur and a tail with a white underside; a host for Ixodes pacificus and Ixodes scapularis (Lyme disease ticks).

• 北美洲普通的小兔，灰色或褐色身体，尾巴下部为白色；肩胛（莱姆关节炎）。