Climate Change Impacts Cast of Winter Birds in North America

October 18, 2014 11:17 AM

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Climate change may be impacting what birds show up where during the winter. Scientists have found that the resident communities of birds that appear at eastern North America's backyard bird feeders in winter have changed as temperatures have warmed.

In order to better understand how the cast of birds has changed, the researchers used more than two decades of data on 38 species gathered by thousands of citizen scientists. This revealed that birds that are typically found in more southerly regions have steadily pushed northward.

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