*2.1. Sampling*

Lizards were collected by hand, photographed and sacrificed with an injection of pentobarbital. Liver tissue was collected for DNA samples, and whole specimens were fixed in 10% formaldehyde and transferred to 70% ethanol for permanent storage in the Bean Life Science Museum at Brigham Young University (BYU) and the Museo de Historia Natural de San Marcos (MUSM). Tissue samples were collected in duplicate, stored in 96% ethanol and deposited in both museum collections.
