Thirty years after gray wolves were reintroduced to Yellowstone, the verdict is more nuanced than the popular legend. The ...

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

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 ...

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Few animals symbolize wild interconnectedness quite like wolves, whose return helped reveal just how tightly ecosystems are woven together.

Most people are familiar with the gray wolf, which was reintroduced to Yellowstone National Park in 1995, and has since established populations in several Western states. But there’s an endangered ...

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 ...