27 of 363
jpg [327 kB, 666 x 999]
Caribou on the move across the tundra in Noatak National Preserve, Alaska. There are more animals in this view than one might first think, caribou blend into their surroundings very well. Photo courtesy of the US National Park Service.
Factbook photos—obtained from a variety of sources—are in the public domain and are copyright free.