• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Trees - Hackberry

Hackberry - Celtis occidentalis
Hackberry - Celtis occidentalis
NPS Photo by Marie Curtin
The Hackberry has leaves very similar to the American Elm. It is at its northern-most range in the Black Hills in the park. By mid-to-late summer the Hackberry produces green to orange fruits which are eaten by birds.

Did You Know?

American bison on the Wind Cave National Park prairie

The American bison is the largest terrestrial mammal in North America. Male bison can weigh a ton and can run 35 miles per hour. Do not approach bison. They weigh more and can outrun you. More...