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- Northern Water Snake (Nerodia sipedon)
- French Name: Couleuvre d'eau
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Usage: It’s unclear how to differentiate between this species and the nine other Nerodia found in the United States.
Subspecies: Couleuvre d’eau du Lac Érié has been used for N. s. insularum; couleuvre d’eau du nord could be used for N. s. sipedon.