Wildsight
Compare two species

Rock Rattlesnake vs. Sidewinder

Their records meet only at the edge of the southeastern desert valleys; the Rock Rattlesnake lives high on rocky slopes. A: No horn: a flat scale over the eye in the Rock Rattlesnake; a raised, pointed horn-like scale over each eye in the Sidewinder. B: Widely spaced jagged black crossbands in the Rock Rattlesnake; pale cream, tan or pink with small, soft brown blotches in the Sidewinder. C: Small too: to 33 in, but stouter in the Rock Rattlesnake; small: to 33 in in the Sidewinder. The Sidewinder moves sideways across sand, leaving J-shaped tracks. Venomous: leave rattlesnakes alone and give them room.

Open this comparison in Wildsight

Rock Rattlesnake

Crotalus lepidus

Sidewinder

Crotalus cerastes
Rock Rattlesnake vs. Sidewinder: comparison sheet with the differences marked

Photographs via iNaturalist under Creative Commons licences; the photographers are credited on the sheet.

More comparisons

Wildsight identifies the reptiles and amphibians of the United States. Every comparison