Birds gain habitat, smaller mammals benefit, and even plant communities can recover.

If not for a series of tones broadcasting her location, no one would’ve known she had died. Like dozens of other Yellowstone National Park wolves involved in a three-decade-long study, researchers ...

When gray wolves returned to Yellowstone National Park, the public heard a simple story: predators came back, balance returned, and the whole ecosystem changed. That narrative held that elk numbers ...

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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 ...