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Prairie Rattlesnake vs. Gopher Snake

Gopher Snakes mimic rattlesnakes: they flatten the head, hiss loudly and shake the tail in dry leaves. The Prairie Rattlesnake has a rattle, a broad triangular head with pale lines on the face, a pit between the eye and the nostril, and a vertical pupil. The Gopher Snake has a pointed tail with no rattle, a narrower head with a pointed snout, a round pupil, and a dark line from the eye to the jaw.

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Prairie Rattlesnake

Crotalus viridis

Gopher Snake

Pituophis catenifer
Prairie Rattlesnake vs. Gopher Snake: comparison sheet with the differences marked

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

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