small gnawing animals: porcupines; rats; mice; squirrels; marmots; beavers; gophers; voles; hamsters; guinea pigs; agoutis

• 小型啮齿动物；豪猪；老鼠；老鼠；松鼠；旱獭；海狸；囊地鼠；野鼠类；仓鼠；天竺鼠；刺豚鼠