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Arizona Black Rattlesnake vs. Western Diamond-backed Rattlesnake

They meet where the desert foothills of central Arizona rise into the oak and pine of the Mogollon Rim country. A: Dark grey-brown to black in the Arizona Black Rattlesnake; grey or tan with dusty brown diamonds in the Western Diamond-backed Rattlesnake. B: Dark, without clean black-and-white rings in the Arizona Black Rattlesnake; bold black and white rings of equal width in the Western Diamond-backed Rattlesnake. Venomous: leave rattlesnakes alone and give them room.

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Arizona Black Rattlesnake

Crotalus cerberus

Western Diamond-backed Rattlesnake

Crotalus atrox
Arizona Black 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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