species 97,178 observations
Common Watersnake
Nerodia sipedon
Field notes
The common watersnake (Nerodia sipedon) is a species of large, nonvenomous, common snake in the family Colubridae. The species is native to North America. It is frequently mistaken for the venomous cottonmouth (Agkistrodon piscivorus).
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native plants
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided