A study investigated thousands of kill sites that provided valuable information about the hunting and feeding behaviors of ...

A new study shows that interactions between wolves and cougars in Yellowstone National Park are driven by wolves stealing prey killed by cougars and that shifts in cougar diets to smaller prey help ...

BILLINGS, Mont. - When young elk die on Yellowstone National Park's northern range, more often than not the killers are bears, not wolves, according to results of a three-year study.

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