Chain O'Lakes State Park, Illinois, USA
Photograph by Jason Lindsey
Bullsnake (Pituophis melanoleucus sayi), United States
Photograph by USFWS
Chiwaukee Prairie, Ilinios, USA
Photograph by Robert Shaw/Wild Perceptions
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.
