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Tiger Rattlesnake vs. Western Diamond-backed Rattlesnake

Both live in the Sonoran Desert of south-central Arizona: the Tiger on rocky slopes, the Diamond-backed mostly on flats and bajadas below. A: Many thin dark crossbands in the Tiger Rattlesnake; diamonds down the back in the Western Diamond-backed Rattlesnake. B: Banded like the body; no black-and-white rings in the Tiger Rattlesnake; bold black and white rings of equal width in the Western Diamond-backed Rattlesnake. C: Very small for the body in the Tiger Rattlesnake; broad and big in the Western Diamond-backed Rattlesnake. Venomous: leave rattlesnakes alone and give them room.

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Tiger Rattlesnake

Crotalus tigris

Western Diamond-backed Rattlesnake

Crotalus atrox
Tiger 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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