This article was originally featured on High Country News. Packs are to wolves as families are to humans: They’re the species’ most essential social structure. The dynamics of a wolf pack — who its ...

New research shows how humans are a substantial source of mortality for wolves that live predominantly in national parks — and more importantly, that human-caused mortality triggers instability in ...

A wolf stands in the road at Yellowstone National Park. Data collected by researchers shows just over a third of the collared wolves living primarily in five protected national parks died of ...

Earlier this year, one of Colorado’s translocated female gray wolves was making broad movements across the Western Slope.

SPRINGERVILLE — Allison Greenleaf, a senior wildlife biologist for the U.S. Fish and Wildlife Service, had squeezed herself into a narrow hole dug among the rocks of a steep mountainside in Arizona's ...

With fewer than 3,100 Indian wolves left — and barely 12% living inside protected areas — the world’s most ancient wolf ...