Wyoming's Snake River is home to many creatures--elk, moose, coyotes, beavers, and birds of all kinds. It is winter, and the animals are searching for food--for grass and twigs under the snow, for plants and seeds in the cold water, or for the bits and bones leftover from another animal's meal.High in the sky, a bald eagle soars in lazy circles. It sees the bare trees, the blanket of snow covering the land, and the dark ribbon of water that is the...