Oregon Caves NM, Oregon, USA
Photograph by David Olson
Del Norte's salamander
Photograph by Dominic Dellasala
Klamath-Siskiyou region, 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.
