Shrinking sheep mystery solved: Blame warming

Courtesy MSNBC.com: Environment  Thu, 07/02/2009 - 12:10

The shrinking sheep on Scotland's Hirta Island have proven that climate can trump natural selection, researchers say.<br /><br />The average body size has shrunk by 5 percent since 1985.Two years after scientists concluded that a breed of wild sheep in Scotland was shrinking over time, a new study reveals why: milder winters tied to global warming.




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