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 ...

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 ...

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.

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

YELLOWSTONE NATIONAL PARK, WYO. (Idaho Capital Sun) – Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of ...

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 ...

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 ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. California's wolf population has taken off in the last two years, and this month two new packs were confirmed. Above, a gray wolf ...