• 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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Did You Know?

Blue Flax

Blue Flax is often considered a subspecies of the Eurasian L. perenne which is very similar. The plant is named after Meriwether Lewis. More...