In Yellowstone National Park — where gray wolves were reintroduced starting in 1995 — researchers have gone back and forth on whether the restoration of wolves has impacted the ecosystem. The idea is ...

The larger herbivore populations have made it difficult for forests to re-grow. Wolves have been a protected species on and ...

Cougars and wolves are apex predators in Yellowstone. To survive, cougars have adapted to hunting different prey, decreasing ...

New research published in Nature Scientific Reports reveals how gray wolves in Isle Royale National Park seasonally alter their habitat preferences to align with beavers’ habitat preferences, a shift ...

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Across North America, mountain lions, bears and gray wolves have made a remarkable comeback over the last 50 years. Once nearly exterminated, these animals have been recovering their populations and ...

On Prince of Wales Island, Alaska, gray wolves are doing something unexpected: hunting sea otters. This surprising dietary shift appears to have notable implications for both ecosystems and wolf ...

Learn more about why the story of how wolves saved Yellowstone National Park’s aspens is more complicated — and more ...

Federal officials announced this week that they will not produce a nationwide recovery plan for gray wolves, a reversal that comes after officials decided such a plan is unnecessary. In a 10-page ...

Scientists Debate Claim That “Extinct” Dire Wolves Are Back ...

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