Staff in Yellowstone National Park observed the first grizzly bear tracks of 2025 earlier this month — signaling the very ...

"The restoration of wolves and other large predators has transformed parts of Yellowstone." Experts document remarkable ...

Yellowstone is about to open for 2025 with possible staffing shortages – will safety from animal attacks become a concern?

Every year, they also charge Yellowstone tourists who are behaving badly. Some get too close, while others insist on taking ...

Notoriously elusive, cougars vary their range in response to their prey, mostly elk and deer. In winter they favor the shallow snow in the northern reaches of Yellowstone. This cougar was caught ...

Mark Hebblewhite is a professor of ungulate habitat ecology at the University of Montana. He and the University’s W.A. Franke ...

Wild animals do not recognize park borders. Two of Yellowstone’s iconic species, bison and elk, spill seasonally—and naturally—beyond park boundaries looking for food. One is welcome.

A wolf pack stalks a herd of elk. This is a rare sight even now, but a few years ago, you would never have been able to see this site in Yellowstone National Park. I believe that wolf ...

The annual buffalo harvest is underway just outside Yellowstone National Park. The controversial program delivers organic ...

Snow crunched underfoot as Mark Hebblewhite scanned the ridgelines of Canada’s Banff National Park. It was 1995, and the ...