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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, ...

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 ...

Scientists Warn Yellowstone Wolves Could Be Approaching a Crisis ...

Gray wolves have killed cougars over their prey within the last decade in Yellowstone. The shift in prey selection has allowed cougars and gray wolves to coexist in Yellowstone. Gray wolves and ...

Global rewilding efforts can restore ecosystems, enhance biodiversity, and combat climate change. Learn how these initiatives are shaping our natural world.

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help ...

LOGAN, Utah, USA — A recent critique from a team led by Utah State University ecologist Dan MacNulty and published in Forest Ecology and Management has prompted a formal correction to a high-profile ...