In some areas, the researchers found that the presence of the migratory grazers enriched the plant matter with crude protein ...

Tens of millions of bison once roamed North America, grazing on grasslands, forests and plains, from the Great Basin of ...

One of the biggest spectacles at Antelope Island State Park will be experiencing changes this year. The Antelope Island State ...

Today’s bison are linked to those ancestors in an organized effort to preserve the animals. The preservation for today’s herds started in zoos or in private herds in the U.S.

The National Park Service finalized its plan last week to allow Yellowstone National Park’s bison population to expand to 6,000 animals — a move that had already inspired a threat of ...

Adult bison watch over a newborn recently at Minneopa State Park. The herd had 13 calves this year.

The herd has more-than-quadrupled in size since the initial bison release at Soapstone Prairie Natural Area and Red Mountain Open Space in November 2015.

FLAGSTAFF, Ariz. — In the two years since Grand Canyon officials approved a plan to reduce the number of bison roaming in the national park, the herd has only grown in size. No one is sure ...

Record spring of bison calves bodes well for conservation program Minneopa State Park, one of the herd sites, witnessed arrival of 16 calves; expansion plans loom.

A genetically pure, disease-free, free-ranging bison herd in the Henry Mountains in Utah could be instrumental in bringing back some of the species’ splendor.

A century-old bison herd at the North Rim of Grand Canyon National Park is causing damage. A 'lethal removal' will reduce the size of the herd.