This is a list of snakes found in Wyoming, United States. Snake species in Wyoming are primarily managed by the statewide herpetological coordinator of the Wyoming Game and Fish Department.
The Species of Greatest Conservation Need, or SGCN, is a designation from the Wyoming Game and Fish that is "intended to identify species whose conservation status warrants increased management attention, and funding, as well as consideration in conservation, land use, and development planning in Wyoming."
Snakes Scientific NameCommon Name(s)ImageVenomousSGCNNotesPituophis catenifer sayiBullsnakeNoNoColuber taeniatus taeniatusDesert Striped WhipsnakeNoYesThe range in Wyoming is extremely small, only residing near the southern area of Flaming Gorge.Coluber constrictor flaviventrisEastern Yellow Bellied RacerNoNoPituophis catenifer deserticolaGreat Basin GophersnakeNoYesCrotalus oreganus concolorMidget Faded RattlesnakeYesYesCharina bottaeNorthern Rubber BoaNoYesTantilla nigricepsPlains Black-headed SnakeYesYesWhile the snakes are venomous, they are considered harmless to humans.Thamnophis radixPlains GartersnakeYesYesHeterodon nasicusPlains Hog-nosed SnakeNoYesCrotalus viridisPrairie RattlesnakeYesYesStoreria occipitomaculataRed-belled SnakeNoYesThamnophis sirtalis parietalisRed-sided GartersnakeYesYesOpheodrys vernalisSmooth Green SnakeNoYesThamnophis sirtalis fitchiValley GartersnakeYesYesThamnophis elegans vagransWandering GartersnakeYesNoThe Wandering Gartersnake is mildly venomous, but the venom is generally negligible to humans.Lampropeltis gentilisWestern MilksnakeNoYes
See also Amphibians and reptiles of Wyoming
References