Narrated by the British writer and environmental campaigner George Monbiot, and largely drawn from his book Feral, it ...

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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, ...

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 ...

If you want a glowing example of how interwoven ecosystem elements are, take a look at Yellowstone National Park. A recent ...

The theory was exciting and quickly grabbed headlines. Fifteen years after wolves were reintroduced to Yellowstone National Park in 1995, some scientists pointed to the resurgence of aspen growth, an ...

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

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 ...

Learn more about why the story of how wolves saved Yellowstone National Park’s aspens is more complicated — and more ...

Across North America, mountain lions, bears, and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...

Purpose: To introduce the idea of indirect effects of predator on prey by changing prey behavior, and of trophic cascades - effects of predators on primary producers; to construct a flow diagram of ...