Extra ribs, crooked backs show inbreeding that caused Isle Royale’s old wolf packs to crash

From Mlive.com:

ISLE ROYALE, MI – While there were many factors that played into Isle Royale’s once-robust wolf pack system collapsing to just two wolves in the space of a decade, a new study shows just how devastating inbreeding was to the big predators who lived on Michigan’s remote wilderness island.

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