Three bull caribou navigate the Kobuk River at Selawik National Wildlife Refuge in Alaska. Tweeted by the US Department of the Interior, 12/24/16.
Grizzly Bear with cub in Yellowstone National Park. Photo by Frank van Manen / USGS. Posted on Flickr by the US Department of the Interior.
A white-tailed jackrabbit browsing on Wyoming big sagebrush on Seedskadee NWR. Photo: Tom Koerner/USFWS. Posted on Flickr by the US Department of the Interior.
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