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Should Lake Superior wolves be saved?

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Wildlife quandary: Should Lake Superior wolves be saved?On an island in Lake Superior, biologists are wondering whether to save some very special wolves from extinction by inbreeding, or let nature take its course.

Behind this is the bigger question: What's really natural, anyway?

The wolves are on Isle Royale, a huge island off Thunder Bay, Ont. Because of a twist in the international boundary, it's in U.S. waters, though closer to Canada's mainland.

Canadian animals have colonized it twice. In the early 1900s, moose swam over from the mainland and thrived.  more...



Animals  Environment  
 
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