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Isle Royale National Park

Aided by reintroduction programs and changing public attitudes, wolves are making a comeback in the rural American West. On Isle Royale, however, they’re in a steep decline and unlikely to recover.

The world’s longest animal population study has bad news for wolves

Environment

At its height in 1980, the wolf population on Isle Royale National Park numbered as many as 50 individuals. But now, with just three individuals remaining, the wolves’ doom is virtually assured.

The Wolves of Isle Royale