Results 2 results found Adult San Esteban pinto chuckwalla (Sauromalus varius), endemic to Isla San Esteban, Baja California, Mexico, North America Adult San Esteban pinto chuckwalla (Sauromalus varius), basking in the sun, Isla San Esteban, Baja California, Mexico, North America Staff member from the Lindblad Expedition ship National Geographic Sea Bird holding an endemic pinto chuckwalla on Isla San Esteban, Mexico.