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4 more wolves moved to Isle Royale NP; 1 female dies soon thereafter, possibly from stress

Four wolves were moved to Isle Royale National Park in September to bolster the island's predator population, but one died shortly thereafter.

The wolves were moved to the park on September 13 from Michigan’s Upper Peninsula. One of the wolve's collars issued a mortality signal last weekend, and biologists located the animal's carcass on Tuesday. The body was to be sent to the USGS National Wildlife Health Center in Madison, Wisconsin, for necropsy.

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