The story of Yellowstone National Park and its wolves is a lesson in the consequences of humans meddling with the world's natural order. Wolves that live in temperate grasslands, specifically gray ...

When wolves were reintroduced to Yellowstone National Park in the United States after being absent nearly 70 years, the most remarkable "trophic cascade" occurred. What is a trophic cascade and how ...

New research questions the long-held theory that reintroduction of such a predator caused a trophic cascade, spawning renewal of vegetation and spurring biodiversity. Yellowstone’s ecological ...

The return of wolves to Yellowstone National Park long has been credited with replenishing its wetlands and spurring the beneficial rerouting of streams — an ecological boon for the crown jewel of the ...

The commonly held claim that wolves reintroduced into Yellowstone National Park in the mid-1990s spearheaded a "trophic cascade" of ecological restoration, as some studies indicated, is unfounded, ...