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Western Black-tailed Rattlesnake vs. Rock Rattlesnake

Both live on rocky slopes in the oak and pine-oak woodland of the southeastern mountains. A: Big jagged blotches holding pale patches in the Western Black-tailed Rattlesnake; 14 to 24 widely spaced, jagged black crossbands with dark flecks between in the Rock Rattlesnake. B: Black in the Western Black-tailed Rattlesnake; salmon or peach (yellow in the young) in the Rock Rattlesnake. C: Larger: to 48 in (122 cm) in the Western Black-tailed Rattlesnake; small: to 33 in (84 cm) in the Rock Rattlesnake. Venomous: leave rattlesnakes alone and give them room.

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Western Black-tailed Rattlesnake

Crotalus molossus

Rock Rattlesnake

Crotalus lepidus
Western Black-tailed Rattlesnake vs. Rock 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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