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Annual Bird Count opens a window into climate change

The Christmas Bird Count has helped scientists figure out how birds are responding to climate change, says Meade Krosby, from the University of Washington’s Climate Impacts Group.

“The Christmas Bird Count is actually one of the most powerful data sets that we have that demonstrate that birds’ ranges are changing,” she explains. “You can see these really dramatic shifts in their winter ranges on average moving northward. And that’s what we expect. We know that, on average, globally, species’ ranges have moved poleward.”

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