This bison herd said better luck next time to a pair of hungry wolves in Yellowstone National Park. It only makes sense that this incredible video below took place in Yellowstone. There’s an estimated ...

A flare up of a disease that’s especially lethal to wolf pups took a toll on Wyoming and Yellowstone National Park wolf ...

For wolves in Yellowstone, it’s all about survival. Pack members sometimes put the smackdown on each other, just to maintain ...

A flare-up of a disease that’s especially lethal to wolf pups took a toll on Wyoming and Yellowstone National Park wolf numbers in 2025, reducing biologists’ counts to a level last seen when wolves ...

Canis lupus body size is dynamic and complex, and biologists aren’t in total agreement about why wolves are much larger in ...

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% ...

A virus outbreak hit Yellowstone wolf pups hard in 2025.

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This valley in northeastern Yellowstone is home to a number of notable wolf packs. Embark on a tour or head out on your own ...

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 ...