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

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

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

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.

Wolves are already known as powerful apex predators, but their true size often surprises people. While many imagine them as similar to large domestic dogs, some wolves grow far bigger, with massive ...

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 ...

Add Yahoo as a preferred source to see more of our stories on Google. The identification of a gray wolf in Otsego County several years ago has received additional attention in recent weeks, with the ...

Let me paint you a picture: Imagine you're an ancient hunter surveying the icy tundra of what is now California's Sierra Nevada. Covered in furs, armed only with the tools you've made by hand, and ...