A Southwestern Speckled Rattlesnake from a mountain range near Phoenix. In this area, this species is usually this orange-cream or brown. This one was found on a rocky hillside earlier in 2025.

Cochran, C. (2019). Variation in morphology, diet, and venom composition in Crotalus pyrrhus (Cope 1867). Doctoral dissertation, Loma Linda University. https://scholarsrepository.llu.edu/cgi/viewcontent.cgi?article=3590&context=etd