• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Trees - Paper Birch

Paper Birch - Betula papyrifera
Paper Birch, Canoe Birch - Betula papyrifera
NPS Photo by Jim Pisarowicz
 
Wildfire is important for the establishment of Paper Birch stands but may also estroy established stands. In the autumn, stands of Paper Birch stand out as bright yellow.

Did You Know?

Natural Entrance of Wind Cave

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.