In this Dec. 13, 2014 image provided by the National Park Service from a remote motion-sensitive camera, a Sierra Nevada red fox walks in Yosemite National Park, Calif. The first confirmed sighting of the rare fox in Yosemite National Park in nearly a century has been confirmed by park officials. Park wildlife biologists who were on a backcountry trip to the far northern part of the park documented two sightings since early December. The Sierra Nevada red fox of California is one of the rarest mammals in North America, with likely fewer than 50 left. (AP Photo/National Park Service)
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