How a lone 'immigrant' wolf revived a forest ecosystem

In 1997, a lone wolf crossed an ice bridge that briefly connected Canada with the remote Isle Royale, which lies off the coast of Michigan in Lake Superior and is renowned for its rich biodiversity.

New research shows humans impact wolf packs in national parks

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 wolf packs in national parks.

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