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Panamint Rattlesnake vs. Western Rattlesnake

Both live in the mountains of Inyo and Mono counties (the Great Basin form of the Western Rattlesnake); their records overlap there. A: Speckled crossbands in the Panamint Rattlesnake; dark blotches edged pale in the Western Rattlesnake. B: Plain, no pale lines in the Panamint Rattlesnake; a pale line behind the eye in the Western Rattlesnake. Both very venomous.

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Panamint Rattlesnake

Crotalus stephensi

Western Rattlesnake

Crotalus oreganus
Panamint Rattlesnake vs. Western Rattlesnake: comparison sheet with the differences marked

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

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