10. Missouri
Venomous snakes count: 8
Most of Missouri’s 47 snake species are non-venomous, and snakebites occur rarely. All of the venomous snakes are pit vipers and they are characteristic for having one scale row on the ventral (belly) side of the tail. Most common venomous snakes of Missouri are copperheads, and all venomous snake species include: eastern massasauga, northern copperhead, osage copperhead, southern copperhead, timber rattlesnake, western cottonmouth, western massasauga and western pygmy rattlesnake.
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