beaver
['African crocodile, Nile crocodile, Crocodylus niloticus', 'curly-coated retriever', 'drake', 'wallaby, brush kangaroo', 'Gila monster, Heloderma suspectum', 'hog, pig, grunter, squealer, Sus scrofa', 'killer whale, killer, orca, grampus, sea wolf, Orcinus orca']