Gray wolves know that the best way to survive in this world is together. They live in pack families, relying on each other to ...

Birds gain habitat, smaller mammals benefit, and even plant communities can recover.

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 ...

On January 11, 1995, approximately 17,000 elk bedded down in Yellowstone National Park. When they woke up a few hours later, a new scent was in the icy air: wolves. It had been 69 years since the last ...

If not for a series of tones broadcasting her location, no one would’ve known she had died. Like dozens of other Yellowstone National Park wolves involved in a three-decade-long study, researchers ...

8-Mile pack pups from two breeding females’ litters excitedly greet adults returning to the den. Pup survival to independence increases significantly with increasing numbers of adult pack members, who ...

Katie has a PhD in maths, specializing in the intersection of dynamical systems and number theory. She reports on topics from maths and history to society and animals. Katie has a PhD in maths, ...

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 ...

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 ...

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 ...