Zoology: Nachusa Bison: Bison16

A bison cow nurses her calf as they stand with the herd in the tall grass at the Nachusa Grasslands. More than 10 bison calves were born in the herd's first year in Illinois.

A bison cow nurses her calf as they stand with the herd in the tall grass at the Nachusa Grasslands. More than 10 bison calves were born in the herd's first year in Illinois.