Know the dangerous ones
Venomous snakes in Bon Homme County, South Dakota
1 venomous snake species have verified records in Bon Homme County. Learn to recognize each one, and know what to do if you are bitten.
Field entries
Crotalus viridis Prairie RattlesnakeVenomousCrotalus viridis
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Rarely seenFull profile →
Looking for all snakes here, not just the venomous ones? See all snakes in Bon Homme County.