In Yellowstone, cougars coexist with wolves by changing what they eat and where they hunt, minimizing conflict driven largely by prey theft.

The restoration of gray wolves in Yellowstone National Park has helped revive an aspen tree population unique to the region, a new study has found. Quaking aspen, one of the few deciduous tree species ...

Wolves returned to the Yellowstone wild 20 years ago today. I know, history remembers all the hoopla about reintroduction of wolves into Yellowstone in January 1995, when federal officials and ...

Large carnivores are both clashing and coexisting in the western United States. Although wolves dominate cougars and steal ...

Add Yahoo as a preferred source to see more of our stories on Google. On four separate occasions, Wolf 907F seized power as the alpha female leader of the Junction Butte Pack in Yellowstone National ...

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 ...

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their ...

These rare kills in Washington State have biologists searching for answers. “Everyone always assumes wolves have the upper ...

Yellowstone wolf watchers were gathered in awe on the morning of Oct. 6, ogling a pack of at least five black wolves roaming through the sagebrush near Lamar Valley. But the crowd soon saw something ...

A little over a month after a wolf living among Yellowstone's most famous wolf pack was illegally killed, Montana wildlife ...

View post: Costco’s Latest Viral Product Reselling For up To $1,000 A man was caught on video approaching and spraying at a Yellowstone wolf pack. Bystanders shouted warnings. Park officials advise ...