Daniel Heuclin / Northern Chuckwalla (Sauromalus ater / obesus) male feeding on seed pods. Controlled conditions. Coachella valley, California, June.

Brent Stephenson / Immature Northern chuckwalla (Sauromalus ater) sunning on a rock. Isla Espiritu Santo, Baja California, Mexico, September.

Tui De Roy / Common Chuckwalla (Sauromalus ater) basking on winter morning amongst Card?n cactus, San Esteban Island, Sea of Cortez, Baja California, Mexico