Florida Cottonmouth vs. Brown Watersnake

Brown Watersnakes bask over the same rivers and are killed as 'water moccasins'. A: A broad dark stripe hiding the eye; a heat pit and a cat-like pupil in the Florida Cottonmouth; long and plain brown; a round pupil, no pit in the Brown Watersnake. B: Crossbands full of dark speckles in the Florida Cottonmouth; square dark blotches set like a checkerboard in the Brown Watersnake.

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

More comparisons

• Florida Cottonmouth vs. Northern Cottonmouth
• Florida Cottonmouth vs. Banded Watersnake
• Florida Cottonmouth vs. Plain-bellied Watersnake
• Florida Cottonmouth vs. Eastern Copperhead
• Florida Green Watersnake vs. Florida Cottonmouth
• Brown Watersnake vs. Common Watersnake
• Brown Watersnake vs. Plain-bellied Watersnake
• Brown Watersnake vs. Northern Cottonmouth
• Brown Watersnake vs. Eastern Copperhead
• Brown Watersnake vs. Banded Watersnake
• Florida Green Watersnake vs. Brown Watersnake

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