beaver
['prairie chicken, prairie grouse, prairie fowl', 'giant panda, panda, panda bear, coon bear, Ailuropoda melanoleuca', 'Irish terrier', 'coyote, prairie wolf, brush wolf, Canis latrans', 'three-toed sloth, ai, Bradypus tridactylus', 'nematode, nematode worm, roundworm', 'muzzle']