4. Vermont
There are 11 snake species in Vermont, the next one on the list of states with no or least poisonous snakes in America and only one of them being poisonous. That is the timber rattlesnake (Crotalus horridus) which inhabits rocky areas and woodlands. Although this snake is very common venomous snake species in America, it is considered rare in Vermont and it has been classified as one of the most endangered species of greatest conservation need with high priority in Vermont. That makes Vermont one of the states with least poisonous snakes in America.
