hog, pig, grunter, squealer, Sus scrofa
['polecat, fitch, foulmart, foumart, Mustela putorius', 'African grey, African gray, Psittacus erithacus', 'hammerhead, hammerhead shark', 'hamster', 'black swan, Cygnus atratus', 'bighorn, bighorn sheep, cimarron, Rocky Mountain bighorn, Rocky Mountain sheep, Ovis canadensis', 'nipple']