Male bison vying for the right to mate with female bison are aggressive and agitated during the rut, but the iconic beats are always dangerous if not given space.

He will soon be joined by a female bison. Both bison have been living on a private ranch owned by the Weilert family just outside of Abilene. After Uno was displaced from his herd by another male ...

After Uno was displaced from his herd by another male bison, owner Steve Weilert had the idea of donating him and a breeding female to the zoo, a news release said. "I've loved bison my whole life ...

Three female bison and a male “bull” – described as some of the purest stock in North America – have been transferred to the Pittsburgh Zoo & Aquarium’s International Conservation Center ...

The Pittsburgh Zoo has added one of the nation's most iconic creatures, the American bison, to its sprawling Somerset County conservation center.