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Western Rattlesnake vs. Western Black-tailed Rattlesnake

They meet in the mountains of central and western Arizona. A: Banded, dark rings near the rattle in the Western Rattlesnake; solid black in the Western Black-tailed Rattlesnake. B: Dark blotches edged pale in the Western Rattlesnake; big jagged blotches holding pale patches in the Western Black-tailed Rattlesnake. Venomous: leave rattlesnakes alone and give them room.

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Western Rattlesnake

Crotalus oreganus

Western Black-tailed Rattlesnake

Crotalus molossus
Western Rattlesnake vs. Western Black-tailed 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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