Birdlife International: the avian impact of climate change

smtvuploads 2010-01-02

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Evaluative surveys including data gathered by US citizens over the past 40 years have revealed that 58% of the 305 species wintering on the North American continent have shifted significantly north since 1968, some by hundreds of kilometers. A study in Europe has also concluded that without urgent action to halt climate change, European bird populations will decrease in size by one-fifth and move 550 kilometers northeast by the end of this century.

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