Wyoming’s wild bison are the first of the ungulates (hooved animals) to kick off the fall breeding season, or rut.

For bison, the rut starts in July, but really gets going in August and carries into September. At some 2,000 pounds, bull bison are the largest land mammals in North America.

Watching these rutting behemoths battle each other, roll in the dust and incessantly chase the cows is truly an impressive sight. One might think the bison of Yellowstone and Jackson Hole are one big herd, but they’re not. They are two distinct herds, with little interchange between them.

The history of the Jackson Bison Herd is an interesting one.

Bison were native to all of Wyoming and several surrounding states, once numbering in the hundreds of millions. The decimation of bison across their expans

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