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Saltmarsh Snake vs. Diamondback Watersnake

They meet in the coastal marshes and ditches. A: Four dark stripes along the body in the Saltmarsh Snake; a dark chain-like net of diamonds in the Diamondback Watersnake. The Diamondback is much bigger (to 4 ft).

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Saltmarsh Snake

Nerodia clarkii

Diamondback Watersnake

Nerodia rhombifer
Saltmarsh Snake vs. Diamondback Watersnake: comparison sheet with the differences marked

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

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