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, ...

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal their prey, cougars' shift from elk- to deer-heavy diets, paired with a ...

Cougars were also found to be moving where they hunt and travel. They avoid areas where wolves hang out. They avoid wolf ...

According to a statement from Montana Fish, Wildlife and Parks (FWP), officials started investigating after they received a ...

Researchers installed cameras in the US national park to monitor cougar density and abundance – and to see how these apex predators interact with other species, such as wolves.

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

The story of wolves in Yellowstone National Park is one of the most successful—and scrutinized—wildlife restoration projects in history. Since their reintroduction in 1995, they have fundamentally ...

Earlier this month, the Colorado Parks and Wildlife (CPW) released the Colorado Wolverine Restoration Plan, one of the final ...

Colorado will become the first state to reintroduce wolverines, a plan that has bipartisan support and is seen as a crucial conservation effort.