Cougars and wolves are apex predators in Yellowstone. To survive, cougars have adapted to hunting different prey, decreasing ...

A Yellowstone wolf (Courtesy NPS/Jacob W. Frank) Editor’s note: WyoFile partnered with Mountain Journal to produce this story. If not for a series of tones broadcasting her location, no one would’ve ...

Learn more about why the story of how wolves saved Yellowstone National Park’s aspens is more complicated — and more instructional — than it appears.

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Wolves in Yellowstone National Park have experienced a 27% decline in population in 2025.

Ravens have long been thought to follow wolves to find food, but new research shows they’re far more strategic. By tracking both animals in Yellowstone, scientists discovered that ravens memorize ...

The official count came to 84 wolves in eight packs. That’s down from 108 wolves in nine packs at the end of 2024.

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% ...

Thirty years ago, park rangers reintroduced grey wolves into Yellowstone National Park. They wanted to restore the ecosystem and get the elk population, which had decimated the plant community, in ...

Learn how ravens in Yellowstone National Park use spatial memory and navigation to locate wolf kills across the landscape without following wolves.

These Birds Have A Mental Map Of Every Wolf Kill in Yellowstone In A Nutshell Ravens don’t follow wolves to find food.