Know the dangerous ones
Venomous snakes in Boone County, Missouri
2 venomous snake species have verified records in Boone County. Learn to recognize each one, and know what to do if you are bitten.
Field entries

Agkistrodon contortrix Eastern CopperheadVenomousAgkistrodon contortrix
How to identify
Heavy body, triangular head, vertical pupils, and a heat-sensing pit between each eye and nostril.
Often seenFull profile →
Crotalus horridus Timber RattlesnakeVenomousCrotalus horridus
How to identify
Heavy body, broad triangular head, vertical (cat-like) pupils, and a segmented keratin rattle at the tail tip.
Rarely seenFull profile →
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