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Panamint Rattlesnake vs. Western Diamond-backed Rattlesnake

Their records touch where the eastern Mojave Desert meets the Colorado River valley. A: Speckled crossbands the colour of the rock in the Panamint Rattlesnake; dusty dark diamonds edged pale in the Western Diamond-backed Rattlesnake. B: Plain, no pale lines in the Panamint Rattlesnake; two pale lines on the face in the Western Diamond-backed Rattlesnake. C: Dark bands and a black patch before the rattle, no clean white rings in the Panamint Rattlesnake; bold black and white rings of equal width in the Western Diamond-backed Rattlesnake. Both very venomous.

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Panamint Rattlesnake

Crotalus stephensi

Western Diamond-backed Rattlesnake

Crotalus atrox
Panamint Rattlesnake vs. Western Diamond-backed 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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