The Badlands are more than just fossil beds and colorful layers. Within the park is a large expanse of mixed-grass prairie, home to the black-footed ferret (the most endangered mammal in North America, bison, bighorn sheep, badgers, elk, coyotes, deer, antelope, bobcats, porcupines, and, of course, prairie dogs. The official park site says “scientists have observed 39 mammal species, 9 reptile species, 6 amphibian species, 206 bird species, and 69 butterfly species.” All have to be able to handle extreme temperatures and find shelter, whether in burrows of their own making or by taken over those belong to something else. Others survive through hibernation or dormancy or by taking shelter in canyons or other low spots.
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