Polar Bear Portrait, Seal River, Manitoba, CanadaA polar bear walks along the shoreline of the Hudson Bay, waiting for the water to freeze so that he can venture out to hunt for seals. Photographed at Seal River in northern Manitoba, Canada. Nikon D300 with Nikkor 200-400mm lens (at 400mm) ISO 800, f/4.5 at 1/500th of a second.