YELLOWSTONE NATIONAL PARK, WYO. – Sitting in an old-growth spruce fir forest, Doug Smith says he can see first-hand the impact of reintroducing wolves on the larger ecosystem of Yellowstone ...

Large, top-of-the-food-chain predators like wolves can have huge impacts on ecosystems, but only temporarily. In 2018, before the reintroductions, Pauli's team had already collected a bunch of ...

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 ...

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A new study by a University of Wisconsin-Madison team of researchers looking at wolves on an island in Lake Superior is helping shed light on the role that certain species play in helping shape an ...

Discover how Wolf 907, a legendary Yellowstone alpha female, helped transform the park’s ecosystem and cemented her legacy amid remarkable challenges.

His arrival revived the flagging fortunes of the wider wolf population, which had been hit by disease and inbreeding, and triggered cascading effects that improved the health of the overall forest ...

Researchers say gray wolves play a crucial role in the ecosystems of the western United States, and emphasized the profound impacts of their absence on plant and animal communities. "The absence of ...