sidewinder, horned rattlesnake, Crotalus cerastes
['partridge', 'quail', 'muzzle', 'African chameleon, Chamaeleo chamaeleon', 'rule, ruler', 'bighorn, bighorn sheep, cimarron, Rocky Mountain bighorn, Rocky Mountain sheep, Ovis canadensis', 'echidna, spiny anteater, anteater']