sidewinder, horned rattlesnake, Crotalus cerastes
['muzzle', 'ruffed grouse, partridge, Bonasa umbellus', 'bittern', 'wild boar, boar, Sus scrofa', 'guinea pig, Cavia cobaya', 'dugong, Dugong dugon', 'axolotl, mud puppy, Ambystoma mexicanum']