New Mexico Ridgenosed Rattlesnake (Crotalus willardi obscurus) from a survey several years ago.

New Mexico Ridgenosed Rattlesnake (Crotalus willardi obscurus) from a survey several years ago.

The Sonoyta Mud Turtle is only found in small parts of Sonora, Mexico, and a single small pond in extreme southern Arizona – a stone’s throw from the border. Here is one of several seen on an afternoon visit to this pool, swimming around just under the surface, going after insects and poking through clumps of algae.

Grageda-García, M., & Bogan, M. T. (2025). Conservation status of the Sonoyta mud turtle (Kinosternon sonoriense longifemorale) and comparison of estimated abundances in different historical sites along the Sonoyta River in Sonora, Mexico. Chelonian Conservation and Biology, 24(2), 155–166. https://doi.org/10.2744/CCB-1588.1
New Mexico Ridgenosed Rattlesnake, Crotalus willardi obscurus. This adult was found in high-elevation woodland in northern Mexico.

New Mexico Ridge-nosed Rattlesnake, Crotalus willardi obscurus

The least likely thing we could have seen in Guatemala – The Torre de Guatel Arboreal Alligator Lizard. Spotted by the laser eyes of Jake Scott, moments after a discussion about how impossible this search was going to be.

An adult New Mexico Ridgenosed Rattlesnake from a few years back. Within the United States, climate change is quickly transforming its remaining habitat into hot, dry desert mountains under constant threat of fire.

Guatemalan Beaded Lizard found within the small last range of this highly endangered species.
