adder, anaconda, asp, black racer, blacksnake, blue racer, boa, bull snake, bushmaster, chicken snake, cobra, constrictor, copperhead, coral snake, cottonmouth moccasin, diamondback rattlesnake, fer-de-lance, garter snake, gopher snake, green snake, hognose snake, horned viper, indigo snake, king cobra, king snake, krait, mamba, milk snake, moccasin, pine snake, pit viper, puff adder, python, racer, rat snake, rattlesnake, sea serpent, sea snake, sidewinder, taipan, water moccasin, water snake, worm snake