Wildsight
Compare two species

Western Rattlesnake vs. Arizona Black Rattlesnake

The Arizona Black was split from the Western Rattlesnake; they meet in the mountains of northwestern and central Arizona. A: Tan, grey or brown with dark blotches in the Western Rattlesnake; dark grey-brown to black; adults can look all black in the Arizona Black Rattlesnake. B: Dark blotches edged pale on a lighter body in the Western Rattlesnake; black blotches edged by thin pale lines on a dark body in the Arizona Black Rattlesnake. Venomous: leave rattlesnakes alone and give them room.

Open this comparison in Wildsight

Western Rattlesnake

Crotalus oreganus

Arizona Black Rattlesnake

Crotalus cerberus
Western Rattlesnake vs. Arizona Black Rattlesnake: 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