Isle Royale National Park's Wolf Population Loses Two Packs, Moose Population Steady

A decline in the moose population at Isle Royale National Park, along with inbreeding, are being blamed for the loss of two of the island's four wolf packs. Where once the island's wolf population had numbered more than 50 individuals, by the close of 2009 there were fewer than 20, researchers say.

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- By Kurt Repanshek - April 26th, 2010 2:23am