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Western Black-tailed Rattlesnake vs. Tiger Rattlesnake

Both live on rocky desert slopes and canyons of south-central Arizona. A: Big jagged blotches holding pale patches in the Western Black-tailed Rattlesnake; many thin dark crossbands (tiger bands) of dark scales and flecks in the Tiger Rattlesnake. B: Black in the Western Black-tailed Rattlesnake; banded like the body; no black rings at the tip in the Tiger Rattlesnake. C: Broad, of normal size for a rattler in the Western Black-tailed Rattlesnake; very small for the body in the Tiger Rattlesnake. Venomous: leave rattlesnakes alone and give them room.

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Western Black-tailed Rattlesnake

Crotalus molossus

Tiger Rattlesnake

Crotalus tigris
Western Black-tailed Rattlesnake vs. Tiger 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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