South Knife Lake, Manitoba, Canada
Photograph by Lynda Dredge/Used with permission of the Geological Survey of Canada, Natural Resources Canada
Snowy owl (Nyctea scandiaca), Canada
Photograph by Ann Cook & CalPhotos
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.
