By Lyle Lewis Yellowstone National Park is often told as a story of recovery. Wolves returned and then elk changed their ...

It’s now estimated that at least 70 wolves are roaming the Golden State, a marked increase from last year. The first wolf to be spotted in California since the apex predators were extirpated in the ...

In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

A grey wolf prowls through Yellowstone National Park near Mammoth Hot Springs in Montana. A group of 66 wolves was reintroduced to Idaho and Yellowstone in the late 1990s. They now total 2,800 ...

On Prince of Wales Island, Alaska, gray wolves are doing something unexpected: hunting sea otters. This surprising dietary shift appears to have notable implications for both ecosystems and wolf ...

**Think wolves can't change the landscape? Think again!** Discover the unexpected ecological revolution at Voyageurs National ...

Biology teachers around the world commonly introduce their students to the concept of 'trophic cascades' with an example from Yellowstone National Park in the United States.

Wolves are continuing to make a California comeback. State wildlife officials have confirmed the presence of two new gray wolf packs in Northern California, and estimate there are now at least 70 of ...