Climate change isolates Rocky Mountain butterflies

Expanding forests in the Canadian Rocky Mountains are slowly isolating groups of alpine butterflies from each other, which may lead to the extinction of the colourful insects in some areas, says a new study from the University of Alberta.

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<p><a href="http://www.physorg.com/news106245025.html">Climate change isolates Rocky Mountain butterflies</a></p> <p>Expanding forests in the Canadian Rocky Mountains are slowly isolating groups of alpine butterflies from each other, which may lead to the extinction of the colourful insects in some areas, says a new study from the University of Alberta.</p>