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

In the heart of Wyoming lies Yellowstone National Park, a sprawling ecosystem that has captivated millions of visitors for centuries. However, its delicate balance faced a near collapse before a ...

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Scientific research has long assumed gray wolves are non-migratory during springtime, staying anchored to tend to litters of nearly helpless pups. For the first weeks of life, after all, pups are ...

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.