A new study has found that cougars are making slight changes to their diets in order to avoid encounters with wolves. In Yellowstone National Park, cougar and wolf habitats are overlapping more than ...

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 ...

Ravens follow wolves in order to dine on prey the big canines kill, a 2002 study in Yellowstone National Park claimed. But science isn’t static. As new methods evolve to test theories, old findings ...

In Yellowstone National Park, the reason cats and canines don’t get along is simple — wolves will kill cougars and steal their food. A recently published study that utilized GPS collar data collected ...

After wolves were reintroduced to Yellowstone National Park, cougars — that had only regained a foothold a few decades earlier — were able to coexist due to their diets changing and the varied ...

Whenever a wolf makes a successful kill, it seems like a flock of ravens is mere moments away. Biologists assumed the ...