Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal ...

Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow trees thrived. This, in turn, allowed beaver numbers to increase, ...

In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.

A critique from a team led by Utah State University ecologist Dan MacNulty and published in Forest Ecology and Management has ...

A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects ...

In the heart of Wyoming lies Yellowstone National Park, a sprawling ecosystem that has captivated millions of visitors for centuries. However, its delicate balance faced a near collapse before a ...

A new study has found that cougars are making slight changes to their diets in order to avoid encounters with wolves. In ...

Colorado passed a wolf reintroduction plan in November 2020, and 10 wolves were reintroduced into the state in December 2023. Opponents are now trying to stop this reintroduction plan, the Denver Post ...