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

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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.

Biologists say wolf packs have contributed to the decline in Yellowstone elk numbers over the last 30 years since they were reintroduced to the park, but many also say that the elk population before ...

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 ...

Wolves usually rely on cooperation to survive. Hunting large prey such as elk typically involves multiple pack members working together to isolate and exhaust an animal. That reality makes one ...

Ecosystems change when keystone species restore balance. Philanthropy can learn from nature by funding the actors, infrastructure and relationships that allow complex systems to regenerate.

The partnership between ravens and wolves goes back to Norse mythology – Odin's birds scouted ahead and led prey to the god's canines, a relationship that provided food for all.

In Yellowstone’s wild chess match between wolves and cougars, it turns out the real power play is theft. After tracking nearly a decade of GPS data and thousands of kill sites, researchers found that ...

Wolves versus cougars... adapting to survive alongside one another: A comprehensive series of articles on this topic ...

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, ...