Cougars and wolves are apex predators in Yellowstone. To survive, cougars have adapted to hunting different prey, decreasing ...

Researchers studying the island's wolf packs had some observations about the ice bridge that formed during this season's deep ...

For the first time since their species was reintroduced in Colorado, a gray wolf has been tracked into Pueblo County.

Wolf 1331 would ultimately be found dead in a trap set by a prolific wolf hunter who manages a large ranch about 10 miles north of Yellowstone. The man who trapped 1331 would receive a warning for ...

In January three wolves were killed by the US Department of Agriculture and Food in Cache Valley, near Avon. The wolves wandered into a corner of northern Utah where wolves are exempt from protection.

The wolves arrived in May of last year, just days after Paul Roen had driven his cattle back up to their summer pasture in Northern California’s Sierra Valley. He started finding the bleeding bodies ...