Know the dangerous ones
Venomous snakes in Cleveland County, Oklahoma
6 venomous snake species have verified records in Cleveland County. Learn to recognize each one, and know what to do if you are bitten.
Field entries
Sistrurus miliarius Pygmy RattlesnakeVenomousSistrurus miliarius
How to identify
Stout, dark-blotched body, nine large scales on the crown, and a small rattle.
Often seenFull profile →
Agkistrodon laticinctus Broad-banded CopperheadVenomousAgkistrodon laticinctus
How to identify
Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Occasionally seenFull profile →
Agkistrodon contortrix Eastern CopperheadVenomousAgkistrodon contortrix
How to identify
Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Rarely seenFull profile →
Sistrurus tergeminus Western MassasaugaVenomousSistrurus tergeminus
How to identify
Stout, dark-blotched body, nine large scales on the crown, and a small rattle.
Rarely seenFull profile →
Agkistrodon piscivorus Northern CottonmouthVenomousAgkistrodon piscivorus
How to identify
Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Rarely seenFull profile →
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 Cleveland County.