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Wind Cave National Park Bison Bull at Sunset
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Wind Cave National Park
Bison Management 11
Bison in the Corrals

NPS Photo

Bison in the Corrals

From 1923 to the present, bison in excess of the carrying capacity of the Park have been culled from the herd. Initially, in the 1930's and 1940's, the old, sickly and deformed bison were culled from the herd. In the 1950's through the 1980's, an attempt was made to reduce the herd proportionately in all age groups. The Park now seeks to maintain a 50/50 sex ration and tries to annually cull yearlings, leaving 8-10 males and females in the Park.

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Bison Running

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fire on the prairie

Did You Know?
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.
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Last Updated: February 12, 2012 at 10:27 MST