bighorn, bighorn sheep, cimarron, Rocky Mountain bighorn, Rocky Mountain sheep, Ovis canadensis
['platypus, duckbill, duckbilled platypus, duck-billed platypus, Ornithorhynchus anatinus', 'Angora, Angora rabbit', 'ear, spike, capitulum', 'Bouvier des Flandres, Bouviers des Flandres', 'sidewinder, horned rattlesnake, Crotalus cerastes', 'vulture', 'hornbill']