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

Narrated by the British writer and environmental campaigner George Monbiot, and largely drawn from his book Feral, it describes how the reintroduction of wolves to Yellowstone National Park in the US ...

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

The overpopulated elk herds of Yellowstone’s Northern Range numbered around 15,000-20,000 in the years leading up to the 1995 wolf reintroduction. Counts are now closer to 5,000, much to the dismay of ...

Cougars and wolves are apex predators in Yellowstone. To survive, cougars have adapted to hunting different prey, decreasing ...

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 ...

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, ...