Buffalo Roundup @ Custer State Park

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Each year at the end of September in Custer State Park and the Black Hills of western South Dakota, a rumbling occurs from the hoofs of 1300 bison. The park in an effort to manage their bison herd (they call them Buffalo’s sometimes), have a roundup of all the bison except the big bulls.

The Buffalo Roundup is part of Custer State Park’s management plan to achieve a balance between the number of bison and the available rangeland. The park can only sustain a certain number of bison, based on the condition of the grassland and how much food is available.

They are rounded up and driven towards the corrals, once placed in the corrals, park staff sorts out approximately 300 animals to be sold, vaccinates the new members of the herd, brands the new calves, and checks the cows for pregnancy. It takes about four days to work the entire herd.

That ends one cycle and starts a new cycle.