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Rock Rattlesnake vs. Mojave Rattlesnake

They meet where the grassland valleys of southeastern Arizona reach the foot of the sky island mountains. A: 14 to 24 widely spaced, jagged black crossbands with dark flecks between in the Rock Rattlesnake; crisp diamonds of one even colour, edged pale in the Mojave Rattlesnake. B: Salmon or peach (yellow in the young) in the Rock Rattlesnake; pale with narrow black rings in the Mojave Rattlesnake. C: Small: to 33 in in the Rock Rattlesnake; larger: to 50 in in the Mojave Rattlesnake. Venomous: leave rattlesnakes alone and give them room.

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Rock Rattlesnake

Crotalus lepidus

Mojave Rattlesnake

Crotalus scutulatus
Rock 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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