A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, ...

Though much larger than a wolf, elk make up most of Yellowstone's wolf population's prey in winter months. However, the ...

A new study has unveiled the far-reaching ecological impact of wolves and other large carnivores in Yellowstone National Park ...

Cougar sightings are rare in Yellowstone, with an estimated population ... prefer rugged terrain and prey primarily on mule deer and elk, plus smaller mammals, notably marmots.

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 ...

For example, nine major elk herds pass through Greater Yellowstone on epic migrations. Although they spend a majority of their time on public land, they also spend crucial winter months on private ...

But the huge fire of 1988 ultimately produced few large trees. The elimination of Yellowstone's wolves allowed the elk to browse aspens unchecked. Finally, Ripple and Larson decided to look within ...

At the 10-year mark (post-reintroduction), the elk population in Yellowstone had decreased approximately 50%, from 16,791 to 8,335, eclipsing scientists’ estimates. “Factors contributing to ...

Expert field educators lead hikers and share details about Yellowstone’s winter ecology, evolving landscapes and connections to Indigenous people. Wildlife sightings often include bison ...

A must-do destination for animal lovers, write Simon & Susan Veness Sitting on the porch of the rustic Lake Village Lodge on ...

Dan Stahler, a biologist with the Yellowstone Wolf, Cougar, and Elk Projects, marveled at the wolf's strength. "Wolf 907F's story and resiliency were admired by many visitors, wolf watchers and ...