eel
['horned viper, cerastes, sand viper, horned asp, Cerastes cornutus', 'proboscis monkey, Nasalis larvatus', 'bullfrog, Rana catesbeiana', 'tailed frog, bell toad, ribbed toad, tailed toad, Ascaphus trui', 'chambered nautilus, pearly nautilus, nautilus', 'crayfish, crawfish, crawdad, crawdaddy', 'snow leopard, ounce, Panthera uncia']