Inbreeding taking toll on Michigan wolves

(AP) -- The two dozen or so gray wolves that wander an island chain in northwestern Lake Superior are suffering from backbone malformations caused by genetic inbreeding, posing yet another challenge to their prospects for long-term survival, according to wildlife biologists.

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<p><a href="http://www.physorg.com/news158049807.html">Inbreeding taking toll on Michigan wolves</a></p> <p>(AP) -- The two dozen or so gray wolves that wander an island chain in northwestern Lake Superior are suffering from backbone malformations caused by genetic inbreeding, posing yet another challenge to their prospects for long-term survival, according to wildlife biologists.</p>