Yellowstone is home to nearly 5,000 bison, which must contend with wolves in the winter, and wolves and grizzly bears during ...

A new study reveals the profound ecological effects of wolves and other large carnivores in Yellowstone National Park, ...

A new study has unveiled the far-reaching ecological impact of wolves and other large carnivores in Yellowstone National Park ...

Colorado voters narrowly decided to reintroduce gray wolves to the western part of the state, sparking tensions with ranchers ...

As people gathered on a road in Yellowstone to watch a pack of wolves devour a bison, the buffalo’s herd charged into them ...

Laws and regulations adopted by Montana and Idaho lawmakers to reduce wolf populations were "at odds with modern professional ...

Yellowstone National Park. Wolf portrait taken from a vehicle in a pullout. Yellowstone National Park. Wolf, magpies, and ravens at carcass near Soda Butte.

But Paunovich soon realized it was Canis lupus: the gray wolf. The last wolves seen in Yellowstone — two pups — were killed ...

Last March federal magistrate judge Candy Dale made a ruling outlawing trapping and snaring of wolves outside the grizzly ...

Without a natural predator, they overgrazed the land, he said, and pointed to the success of wolves in Yellowstone in restoring biodiversity. "We want wolves here because we know the ecological ...