Great Basin National Park, Nevada, USA
Photograph by John Morrison
Gilbert Skink (Eumeces gilberti), Nevada, United States
Photograph by Dr. Alan E. Leviton, California Academy of Sciences & CalPhotos
West Stewarts Valley, Nevada, USA
Photograph by David Olson
World Wildlife Fund and National Geographic would like to thank all of the individuals, organizations, companies, and government agencies who have contributed photos to this site. Photos used with permission of the copyright holder. All rights reserved.
