The Diamond-backed Watersnake is a large, heavy-bodied snake of the Mississippi valley. Its diamond-shaped dorsal pattern is distinctive. Frequently mistaken for the venomous cottonmouth, it bites aggressively but is harmless.
Best time to see a Diamond-backed Watersnake
The best time to see a Diamond-backed Watersnake is February–May, when about 62% of U.S. sightings happen, based on 14,072 research-grade iNaturalist observations.
Recent Diamond-backed Watersnake sightings near you
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