A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing ...

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

As cougar and wolf populations recover, clashes between these top predators are inevitable with cougars finding ways to ...

In April, 1996, newly-graduated biologist Patricia Wyman was mauled to death at her “dream job,” tending captive wolves at ...