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Agkistrodon piscivorus, a.k.a. the cottonmouth, a pitviper species found in North America •
Coluber constrictor, a colubrid species found in North America •
Crotalus oreganus, a.k.a. the Northern Pacific rattlesnake, a rattlesnake species found in North America •
Pantherophis alleghaniensis,
Pantherophis obsoletus, and
Pantherophis spiloides, a.k.a. the black (or gray) rat snake or the pilot black snake, three colubrid snake species found in North America •
Pseudechis, a genus of elapids snakes found in Australia ==Other==