Snakes in Wyoming

On this page, you can find an overview of snakes in Wyoming. The list is separated into non-venomous and venomous snakes in Wyoming. This should give you a quick overview if you are dealing with a venomous snake or not. Just click on any of the images or links to learn more about the snake.

There are thirteen snake species in Wyoming. Three of them are venomous rattlesnakes and the other ten are harmless for humans and larger pets.

If you have encountered a snake in Wyoming that you cannot identify yourself, we’ll be happy to identify it for you. Simply take a picture of it and upload your picture, a quick description and the U.S. state where it was found here on our snake identification page

List of venomous snakes in Wyoming

The three venomous snakes that are found in Wyoming are the similar-looking Pacific rattlesnake and western (or Prairie) rattlesnake as well as the small midget faded rattlesnake.

Crotalus concolor midget faded rattlesnake in defensive position

Crotalus Concolor – Midget Faded Rattlesnake

The midget faded rattlesnake is a small venomous snake found around the basins of the Colorado River and the Green ...
Crotalus Oreganus - Pacific Rattlesnake information

Crotalus Oreganus – Pacific Rattlesnake

Crotalus oreganus, commonly called the (Northern) Pacific rattlesnake is a venomous rattlesnake found in Western America from British Columbia in ...
Crotalus Viridis - Western Rattlesnake prairie rattlesnake in Montana

Crotalus Viridis – Western Rattlesnake

The western rattlesnake or prairie rattlensnake, is a venomous snake species that can be found in the Mid-West of the ...

List of non-venomous snakes in Wyoming

The most common non-venomous snakes in Wyoming are garter snakes and the North American racer. Three species of garter snakes can be found in Wyoming: the western terrestrial garter snake, the common garter snake and the Plains garter snake.

Charina Bottae - Rubber Boa Overview

Charina Bottae – Rubber Boa

Charina bottae, the rubber boa, is the smaller of the two species of boas native to the United States. It ...
Eastern racer Coluber constrictor in the United States overview

Coluber Constrictor – Racer

Coluber constrictor, commonly called the eastern racer is a nonvenomous snake species. The species contains eleven subspecies that can be ...
Heterodon Nasicus - Western Hognose Snake information

Heterodon Nasicus – Western Hognose Snake

The western hognose snake, Heterodon nascius, is a harmless snake that can be found throughout the Central United States as ...
Lampropeltis Triangulum - Milk Snake information and overview

Lampropeltis Triangulum – Milk Snake

The milk snake is a nonvenomous snake that can be found in the Eastern and Central United States, in Canada ...
Opheodrys Vernalis - Smooth Green Snake information

Opheodrys Vernalis – Smooth Green Snake

The smooth green snake is a relatively small nonvenomous snake found throughout the Northeastern and Central United States. Its body ...
Pituophis Catenifer - Pacific Gopher Snake information bullsnake, western gopher snake

Pituophis Catenifer – Pacific Gopher Snake

The Pacific gopher snake, Pituophis catenifer, is a nonvenomous snake found in the Western United States, Canada and Mexico. It ...
A red-brown redbelly snake found in Missouri

Storeria Occipitomaculata – Redbelly Snake

Storeria occipitomaculata, the redbelly snake is a small, dark brown , grey or black snake with a red, orange or ...
Thamnophis Elegans - Western Terrestrial Garter Snake information

Thamnophis Elegans – Western Terrestrial Garter Snake

The western terrestrial garter snake is a harmless snake species that can be found throughout the Western United States. Its ...
Thamnophis Radix - Plains Garter Snake in the united states information

Thamnophis Radix – Plains Garter Snake

The plains garter snake is a harmless snake species that is found throughout the Central United States and Canada. The ...
Thamnophis Sirtalis - Common Garter Snake information and subspecies overview

Thamnophis Sirtalis – Common Garter Snake

The common garter snake is the best-known and most widespread species among the garter snakes. It can be found throughout ...
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