Hoary Marmot, Mount Rainier National Park, WashingtonThis guy is called a hoary marmot. He was lounging on a rock high up a mountainside in Mount Rainier National Park. When the sun is up they like to sprawl out on rocks to soak up the warmth.
Nikon D300 with Nikkor 200-400mm lens (at 400mm) ISO 400, f/8 at 1/500th of a second