Previous research on the effect of wolves on the food web has been criticized, raising questions about the predator’s role in ...

The reintroduction of 14 wolves into Yellowstone National Park wasn’t just about saving a species – it was about restoring an entire ecosystem. Their impact transformed Yellowstone, benefiting ...

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In a new study, a UC Berkeley-led team of biologists observed gray wolves near Yellowstone National Park traveling 20 kilometers or more over rugged, mountainous terrain, with very young pups in tow.