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Western Black-tailed Rattlesnake vs. Mojave Rattlesnake

They meet where the grassland and desert flats of central and southeastern Arizona meet rocky foothills. A: Black in the Western Black-tailed Rattlesnake; pale grey with narrow black rings, narrower than the gaps between in the Mojave Rattlesnake. B: Jagged, with pale patches inside in the Western Black-tailed Rattlesnake; crisp diamonds of one even colour, edged pale in the Mojave Rattlesnake. Mojave Rattlesnake venom is often the most dangerous in the region. Venomous: leave rattlesnakes alone and give them room.

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Western Black-tailed Rattlesnake

Crotalus molossus

Mojave Rattlesnake

Crotalus scutulatus
Western Black-tailed Rattlesnake vs. Mojave 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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