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

Gray wolves and cougars are not only iconic to the Yellowstone National Park landscape, but they also play important roles in the overall health of the ecosystem. With both being apex predators, ...

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 ...

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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.

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 ...

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.

Wolves in Yellowstone National Park have experienced a 27% decline in population in 2025.

In movies and literature, a wolf’s haunting howl can signify danger or untamed nature. In real life, researchers in Yellowstone National Park are analyzing those howls with cutting-edge AI technology ...

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, ...