• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Bison Wallow

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.

 
Bison Wallow Sequence #1
NPS Photo by Jim Pisarowicz
 
Bison Wallow Sequence #2
NPS Photo by Jim Pisarowicz
 
Bison Wallow Sequence #3
NPS Photo by Jim Pisarowicz
 
Bison Wallow Sequence #4
NPS Photo by Jim Pisarowicz

Did You Know?

fire on the prairie

Fire is an important factor in protecting the prairie. Historically, fires burned across the prairie every 4 to 7 years. Fires burn the small trees that would otherwise march across the prairie and turn the grasslands to forest.