Add Yahoo as a preferred source to see more of our stories on Google. Over the last three decades, Yellowstone National Park has undergone an ecological cascade. As elk numbers fell, aspen and willow ...

Yellowstone National Park is often told as a story of recovery. Wolves returned and then elk changed their behavior. Willows and aspens then rebounded and rivers, it is said, changed course. The ...

Add Yahoo as a preferred source to see more of our stories on Google. The striking wildlife moment highlights one of the park's biggest ecological success stories, as the wolf population continues to ...

Our story starts 100 years ago, in 1926, when the last wolf in Yellowstone National Park was shot and killed. For nearly 70 years, there were no wolves in the park. And the landscape drastically ...

A century ago, resident wolves were eliminated from the park. In 1995, biologists brought them back, marking a historic reintroduction of a top carnivore Kayla Randall | Digital Editor, Museums Gray ...

In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.

Forbes contributors publish independent expert analyses and insights. GrrlScientist writes about evolution, ecology, behavior and health. A 2026 study from Yellowstone National Park reveals cougars ...

One year ago, Congress defunded public media. Now that we're 100% community funded, please become a sustaining member or increase your existing membership today. This winter saw the most wolves from ...

Part 1. Cougar studies before and during wolf restoration. 1. Introduction and background ; 2. The northern Yellowstone landscape ; 3. Quantifying how species compete or coexist -- Part 2. Food ...

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, ...