Tucson Herpetological Society

Tucson Herpetological Society Conservation, research, and education concerning the amphibians and reptiles of Arizona and México https://www.youtube.com/channel/UCjfUoahXwX11vARcMHnJbVQ

06/15/2026

A Southwestern Speckled Rattlesnake making its way up a nearly vertical wall, taking advantage of numerous leverage opportunities. Rattlesnakes can climb, but not with the same skill as some non-venomous snakes, like gophersnakes or kingsnakes. Even from a moderate height, a fall can injure or even kill the animal, so caution is needed.

06/12/2026

Long Nosed Leopard Lizard in breeding colors.
Southern Utah.
© 2026.

06/11/2026

A Twin Spotted Rattlesnake that we found in eastern Arizona, showing off many more than "twin" spots. These tiny rattlesnakes can vary greatly in appearance from one location to the next, even between individuals in a single population. These are not likely to be seen unless you are spending time in the highest areas of a handful of the Chiricahua, Huachuca, Pinaleño, or Santa Rita mountain ranges.

Prival, D. B., Goode, M. J., Swann, D. E., Schwalbe, C. R. (2002), & Schroff, M. J.. Natural History of a Northern Population of Twin-Spotted Rattlesnakes, Crotalus pricei. Journal of H**petology, 36(4), 598–607.
DOI: https://doi.org/10.1670/0022-1511(2002)036[0598:NHOANP]2.0.CO;2

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