灰熊
The refuge provides diverse habitat types, especially wetlands and hardwood and coniferous forest. It was established to preserve migration habitat for waterfowl, and more than 300 species of vertebrates inhabit the area, including coyote, Grizzly bear, elk, bald eagle, Great horned owl, cinnamon bear, moose, beaver, kestrel, river otter, red-tailed hawk, white-tailed deer, thirteen species of bats, northern harrier, and black bear.