Keepers had been closely observing the bison calf's mother, 4-year-old Sunny, who was expected to give birth around this time ...

Check out this new friendly face you can see at the Northwest Trek Wildlife Park. An American bison calf was born over Memorial Day weekend at the park in Tacoma.

“We arrived at the confluence of the Lamar River & Soda Butte Creek just in time to see the strong mother bison work hard to protect her newborn calf from the strong currents during the spring season ...

A rare white bison calf Native American communities have been celebrating since its birth in Yellowstone National Park has not been seen since June, according to the National Park Service.

The newborn calf has a black nose and eyes, so it’s not albino, Jim Matheson, executive director of the National Bison Association, tells the AP. A white buffalo calf named Miracle was born on a ...

Park visitors, professional wildlife watchers, commercial guides and researchers have all reported seeing the calf, and have sent photos of it to Yellowstone's Center for Resources Bison ...

With the addition of the new calves, the zoo’s bison herd now totals 10. The American Bison is the largest land mammal in North America and holds the title of national mammal. Calves are often ...

A rare white bison calf was born in Yellowstone National Park, fulfilling a Native American prophecy of prosperity to come, tribal leaders said. Montana-based photographer Erin Braaten discovered ...

“The first bison calf of the year in Yellowstone!” Andrea Baratte of Montana Wild boasted Sunday via Instagram. “It was very snowy today, and we had a hard time finding bears and ...

YELLOWSTONE NATIONAL PARK, Wyo. — Yellowstone National Park on Friday confirmed the birth of a white bison calf at the park but said there have been no confirmed sightings of the calf since June 4.

White bison are seen as sacred by most Native American tribes, and are often referred to as "spirit bison" or "ghost bison." An extremely rare white bison calf was captured on camera in ...