Centuries ago, herds of bison roamed the Great Plains, numbering in the tens of millions. One of the most populous mammal species in North America, enormous herds of the animals grazed and migrated ...

The Laramie Foothills Bison Conservation Herd, overseen by CSU, is thriving in its 10th year. The herd, started with 10 bison, has grown to over 100 and provides yearlings to Native American tribes.

A bison calf born in June in New York’s Bronx Zoo — the first genetically pure bison calf ever produced by embryo transfer — has Yellowstone genes. The zoo waited until Thursday to announce the calf’s ...

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 ...

WARSAW, Poland (AP) — A farmyard cow in Poland has chosen freedom this winter, roaming with a herd of bison for three months after escaping its pen. The reddish brown cow has been spotted following ...

WARSAW, Poland (AP) — A Polish scientist says a cow that drew international headlines while roaming free much of the winter with a herd of bison in eastern Poland has apparently been captured and ...