Quote
From North America's marmots to Britain's birds, the findings could spell bad news for species already stressed by habitat loss if predictions of global warming over the next century pan out, the authors said in the studies, which appear in Thursday's issue of the journal Nature.
Other scientists said the studies, which are based largely on research done previously in Europe and North America, could foretell the extinction of many species in the coming decades as rising temperatures force them to retreat from their historic ranges or face new competitors.