Wallowing is when bison roll on the prairie to give themselves "dust baths." Wallowing creates a saucer-like depression called a wallow out on the prairie. Wallows were once a common features of the plains; usually these wallows are dust bowls without any vegetation.
Did You Know?
Winds caused by changes in barometric pressure are what give Wind Cave its name. These winds have been measured at the cave's walk-in entrance at over 70 mph. The winds at the natural entrance of the cave attracted the attention of Native Americans and early settlers.