beaver
['bullfrog, Rana catesbeiana', 'axolotl, mud puppy, Ambystoma mexicanum', 'robin, American robin, Turdus migratorius', 'hamster', 'marmoset', 'hen-of-the-woods, hen of the woods, Polyporus frondosus, Grifola frondosa', 'grey fox, gray fox, Urocyon cinereoargenteus']