In Yellowstone National Park, a distant view of grizzly bears can be as satisfying ... opposite the valley after being run off by a bison herd in a meadow surrounded by sagebrush.

For 17 years Wallen was the team leader of Yellowstone National Park’s bison ecology program. He retired six years ago and in ...

This bison drowned in the Yellowstone River over the winter when it tried to cross. A camera trap captured both a grizzly bear and a wolf feeding on it. The carcass of a bison that drowned in the ...

You can see a lot of animals in Yellowstone National Park in winter, including bison, elk, and wolves. But one thing you're ...

You can see a lot of animals in Yellowstone National Park in winter—including bison, elk, and wolves—but one thing you're not ...