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Western Diamond-backed Rattlesnake vs. Western Rattlesnake

Their records touch in eastern San Diego and Imperial counties. A: Bold black and white rings in the Western Diamond-backed Rattlesnake; brown rings that do not stand out in the Western Rattlesnake. B: Dusty diamonds edged pale in the Western Diamond-backed Rattlesnake; rounded dark blotches in the Western Rattlesnake. C: Bold, running down to the corner of the mouth in the Western Diamond-backed Rattlesnake; faint or broken in the Western Rattlesnake. Both very venomous.

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Western Diamond-backed Rattlesnake

Crotalus atrox

Western Rattlesnake

Crotalus oreganus
Western Diamond-backed 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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