Nerodia
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Nerodia is a genus of nonvenomous colubrid snakes commonly referred to as water snakes due to their aquatic behavior. The genus includes nine species, all native to North America. Five of the species
Gulf saltmarsh watersnake (Nerodia clarkii clarkii), Chambers County, Texas, 20 April 2019
Concho Watersnake (Nerodia paucimaculata) from central Texas
Nerodia rhombifer, diamondback water snake, giving birth
Agkistrodon piscivorus
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Agkistrodon piscivorus is a species of venomous snake, a pit viper in the subfamily Crotalinae of the family Viperidae. It is one of the world's few semiaquatic vipers, and is native to the Southeaste
This snake was found on the edge of a creek in Oklahoma.
Juvenile cottonmouth
Geographic distribution of the two species of cottonmouth, Agkistrodon piscivorus and Agkistrodon conanti
A cypress swamp in Big Cypress National Preserve, south Florida