Green River Basin

Wyoming's Deadliest Snake: The Midget Faded Rattlesnake
There are only two venomous snakes indigenous to Wyoming; the Prairie Rattlesnake and the Midget Faded Rattlesnake.
While Prairie Rattlesnakes cover most of the Eastern Wyoming's lower elevations and are often found in rock outcrops, the Cowboy State's most venomous snake inhabits an isolat…