Ecosystems in the Northwest were heavily shaped by wolves before they were nearly wiped out of the region, a new study finds. By the 1930s, gray wolves were nearly gone in Oregon and the rest of the ...

Yellowstone's natural balance has been restored.

The carnivorous predators eat harder foods - such as bones - to extract nutrition during warmer climates. The post Research ...

A new study documents the complex interactions between cougars and gray wolves in Yellowstone National Park and finds their “enemies without benefits” relationship is driven by competition: wolves ...

Gray wolves adapt their diets as a result of climate change, eating harder foods such as bones to extract nutrition during ...

A new scientific review challenges the headline-grabbing claim that Yellowstone’s returning wolves triggered one of the strongest trophic cascades on Earth. Researchers found that the reported 1,500% ...

The world’s longest-running predator-prey research faces uncertain federal funding, with supporters hoping to raise $2.2 million for an endowment.

On a remote Alaskan island, gray wolves are rewriting the rulebook by hunting sea otters — a behavior few scientists ever expected to see. Researchers are now uncovering how these coastal wolves ...

In a rare opportunity to study carnivores before and after wolves were reintroduced to their ranges, researchers from the University of Wisconsin–Madison found that the effects of wolves on Isle ...

Fossil and modern wolf teeth show that as winters grow warmer and snow declines, gray wolves are forced to work harder for food.

Across North America, mountain lions, bears and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...

Wolves are magnificent carnivores who are also highly controversial in some circles. While much is known about many aspects of their behavior, in renowned wolf expert Dr. L. David Mech's new highly ...