It's eat or be eaten in Yellowstone National Park. The wildlife of the iconic park can broadly be categorized as prey and predators. Among the approximately 70 different mammal species, those that ...

A new study finds Yellowstone’s ravens don’t just follow wolves but use mental “maps” to predict likely kill sites.

Two ravens soar above a wolf pack in Yellowstone. This type of short-distance following is common, but prolonged following is extremely rare. When a wolf pack runs down its prey, the first on the ...

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 ...