When was the last wolf pack killed in Yellowstone?

You think you hear a beep and you don't. Wolves were hunted to near-extinction as the country was colonized. The last pack of Yellowstone wolves was killed in 1926. They were reintroduced to the park in the mid-1990s, and along with mountain lions and grizzly bears, they've made a comeback.



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By 1926, as a result of federal and state predator control efforts, gray wolves (Canis lupus) were officially extirpated from Yellowstone National Park, WY.

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Now they are well established in Yellowstone and are found throughout the Northern Rockies of Montana, Wyoming and Idaho. About 120-130 wolves currently roam Yellowstone. Even though Yellowstone is probably the best place in the world to spot wild wolves, it's not always easy to find them.

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Approximately 150–200 with home ranges wholly or partially in the park. As of 2021, 1,063 estimated in greater Yellowstone.

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For example, no wolf has attacked a human in Yellowstone National Park since wolves returned in 1995. Yellowstone receives 4 million visitors per year, including tent campers.

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