sidewinder, horned rattlesnake, Crotalus cerastes
['African crocodile, Nile crocodile, Crocodylus niloticus', 'black-footed ferret, ferret, Mustela nigripes', 'muzzle', 'barn spider, Araneus cavaticus', 'racket, racquet', 'loggerhead, loggerhead turtle, Caretta caretta', 'box turtle, box tortoise']