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

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, ...

A new peer-reviewed study reports that claims of a “world-leading” trophic cascade in Yellowstone National Park are not supported, citing problems with the methods used in earlier research. A newly pu ...

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

These rare kills in Washington State have biologists searching for answers. “Everyone always assumes wolves have the upper ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk... How the wolf changed Yellowstone 30 years after ...

Yellowstone National Park could be swarming with wolves again, all thanks to artificial intelligence. It seems that the researchers have hit the bullseye with their new approach to conservation or ...

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 ...

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

Wolf populations in Yellowstone National Park have myriad impacts on ecosystems, but exactly how those impacts play out in the complex system is still under consideration. New research from Utah State ...