muzzle
['ice bear, polar bear, Ursus Maritimus, Thalarctos maritimus', 'puck, hockey puck', 'mink', 'Chesapeake Bay retriever', 'polecat, fitch, foulmart, foumart, Mustela putorius', 'hognose snake, puff adder, sand viper', 'wire-haired fox terrier']