Along a remote stretch of the Alaskan coast, gray wolves have quietly rewritten the rules of what a top land predator eats. Packs that once relied on deer are now regularly killing sea otters in 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 ...

Wolves on a remote island in Lake Superior appear to be thriving, but they’re making deep dents in the moose population that they rely on as a leading food source, according to a report released ...

Stark black against an open sky, common ravens are often spotted soaring above wolves in Yellowstone National Park. Researchers assumed that the notorious scavengers were following the wolves to get ...