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 ...

Researchers installed cameras in the US national park to monitor cougar density and abundance – and to see how these apex ...

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

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, ...

In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.

In one of the most remarkable ecological comebacks in modern conservation, grey wolves—reintroduced to Yellowstone National Park in 1995—have played a key role in regenerating aspen forests that had ...

A new study shows how wolves steal kills from cougars in Yellowstone, driving an uneven feeding rivalry and changing cougar ...

This story is free to read because readers choose to support LAist. If you find value in independent local reporting, make a donation to power our newsroom today. This winter saw the most wolves from ...