If that story has been oversimplified, the implications extend well beyond one national park.

"Painter et al. claim that large-carnivore recovery in Yellowstone National Park has produced a strong trophic cascade ...

Yellowstone’s wolf reintroduction has often been described as one of conservation’s clearest trophic-cascade success stories.

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 ...

A flare up of a disease that’s especially lethal to wolf pups took a toll on Wyoming and Yellowstone National Park wolf numbers in 2025, reducing biologists’ counts to a level last seen when wolves ...