Days earlier, the bison cow lost her calf during birth, and was holding vigil over the dead offspring in a grazing field when the orphaned bull wandered up and tried to feed.

Scientific name: [Bison bison]. Summary American bison cow "May" and calf at the National Zoological Park. Cite as Smithsonian Institution Archives, Acc. 14-167, Image No. NZP-0125 Repository Loc.

The landscape is wild too." Visitors drive past a bison cow and her nursing calf in Lamar Valley in Yellowstone National Park, Wyoming. / Credit: Natalie Behring / Getty Images Front row seat to ...

A late arriving bison calf surprised staff Aug. 12 at Minneopa State Park, the second straight year of a late birth. Last October, the same cow birthed a calf at the popular Blue Earth County ...

WESTFIELD, Iowa -- The little rusty-colored bison calf is hard to spot even after you find the herd of 28 cows and bulls in their 500 acres of the 8,000-acre Broken Kettle Grasslands Preserve. The ...

A bison cow had two other cows with her, and the calf was still wet from birth. “You could tell by the way he acted he was a little bull calf,” Payne said.

Erin Braaten, an outdoor photographer from Kalispell, Montana, captured the rare white bison calf on camera.

A man has pleaded guilty to handling a bison calf in Yellowstone National Park in an incident that ultimately led to the calf's death, officials said on Wednesday.

EVANSTON, Wyoming - A rare white bison calf was born last month at a state park in Wyoming. The calf was born May 16 to a two-year-old white bison at Bear River State Park in Evanston. “As the ...

The National Park Service released a photograph showing two people interacting with a bison calf in Grand Teton National Park last week. It was the latest episode to draw the ire of park officials ...

Scientific name: [Bison bison]. Summary American bison cow "May" and calf at the National Zoological Park. Cite as Smithsonian Institution Archives, Acc. 14-167, Image No. NZP-0124 Repository Loc.

The Hawaii resident was charged with one count of intentionally disturbing wildlife after he tried to help a baby bison return to its herd. Park rangers later had to euthanize the abandoned animal.