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.

2 gray wolves captured and collared in Northern California

Two members of California's small but rebounding gray wolf population have been located and given tracking collars, bolstering the state's conservation efforts, the California Department of Fish and Wildlife announced Friday.

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