There are 37 mammal species recorded in the park and preserve. Birdlife is varied and interesting. Most birds migrate long distances between their nesting grounds here in the park and their wintering areas. On the open tundra, you may easily see ptarmigan, Lapland longspurs, and various shorebirds. Short-eared owls and northern harriers can be seen soaring low In search of rodents.
Golden eagles patrol the higher elevations and ridgetops.
In these forests, you may also see the spruce grouse and varied thrush. Plovers, gyrialcons, mew gulls, and snow buntings are among the 159 species of birds recorded at Denali. Raven, ptarmigan, magpie, and gray jay are some of the species that winter in the park and preserve. Winter challenges wildlife with frigid temperatures and the cessation of plant growth. Food is scarce.