• Wind Cave National Park - Two Worlds

    Wind Cave

    National Park South Dakota

Bison Management 08

Checking a Bull for Brucellosis After Being Immobilized by Tranquilizers

Checking a Bull for Brucellosis After Being Immobilized by Tranquilizers

NPS Photo Archive

Efforts to immobilize the lone bulls with tranquilizers were made in 1969 and 1970, in an attempt to conduct brucellosis testing without having to dispatch the animals.

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Bison Running

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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...