Two of the world's top predators squaring up. Grizzlies and wolves are common in a few ways, and very different in others. Both are predators, using both hunting and scavenging methods to secure their ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

Claims that wolves have rescued Yellowstone National Park's aspen trees through a "trophic cascade" oversimplify a complex ...

This winter saw the most wolves from Yellowstone National Park killed in about a century. That's because states neighboring the park changed hunting rules in an effort to reduce the animals' numbers.

Hollywood has its movie stars, and Greater Yellowstone has its charismatic megafauna. But often it’s the bit players who ...

Caught in Canada and flown to Yellowstone, 41 wolves were released in the area between 1995 and 1997, restoring the only missing member of the park's native mammals. Since then, wolves have begun ...

Visitors to Yellowstone National Park were horrified when a man recently got dangerously close to a pack of wolves. In a now-viral video shared by Keith Allen Kerbs on Oct. 6, an unidentified man ...