Shift in diet allowed gray wolves to survive ice-age extinction

Gray wolves are among the largest predators to have survived the extinction at the end of the last ice age around11,700 years ago. Today, they can be found roaming Yukon's boreal forest and tundra, with caribou and moose ...

Relocated Isle Royale wolves form groups, reduce moose herd

Gray wolves that were taken to Michigan's Isle Royale National Park to rebuild its nearly extinct population are forming social groups, staking out territory and apparently mating—promising signs despite heavy losses from ...

Wildlife managers use pup fostering to boost wolf genetics

A record number of captive-born wolf pups has been placed into the wild as part of an effort by federal and state wildlife managers to boost the genetic diversity among Mexican gray wolves in the Southwestern United States.

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