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.

Yellowstone bison calf euthanized after being touched by park guest The newborn got separated from its mother while trying to cross the Lamar River. A man stepped in to try to help, but only ended ...

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.

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. Clifford Walters, a Hawaii ...

"The calf swam across the river and, thinking the wolves were gone, decided to swim back. Unfortunately, 3 wolves were ...

A newborn bison calf at Yellowstone National Park in Wyoming had to be euthanized after a clueless tourist tried to help the struggling youngster cross a river — causing it to be rejected by its ...

A bison calf at Yellowstone National Park had to be euthanized after a man apparently tried to help it, causing the herd to reject it, park officials said this week.

A rare white bison calf was born in Yellowstone National Park, fulfilling a Native American prophecy of prosperity to come, tribal leaders said.

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

A guide in Yellowstone National Park captured the footage on a wintry day, weeks before baby bison typically begin to appear on the landscape.

Officials at Yellowstone National Park say they were forced to put down a newborn bison calf after another unfortunate encounter between a park visitor and wildlife, according to the National Park ...