A guide has captured dramatic footage showing two adult bison rushing to the rescue as wolves attacked a young calf in Yellowstone National Park. Michael Sypniewski, who guides for Yellowstone Wolf ...

On Wednesday we featured video footage showing dozens of bison stampeding across a bridge in Yellowstone National Park. They included newly born calves, or “red dogs,” and the woman who captured the ...

There’s a moment that plays out in national parks with striking regularity, and it follows the same script almost every time. A bison is standing near a road, or grazing beside a boardwalk, or moving ...

Rare camera-trap footage from Białowieża Primeval Forest captured wolves attacking a European bison herd with a newborn calf.

Add Yahoo as a preferred source to see more of our stories on Google. A Yellowstone visitor encountered a surprising guest as he tried to leave a restroom — a massive bison. The bison blocked the ...

A Yellowstone visitor encountered a surprising guest as he tried to leave a restroom — a massive bison. The bison blocked the man’s path out of a restroom near the Mud Volcano area on Monday, July 10, ...