Birds & Climate Change



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Birds and Climate Change:
On the Move
                   

Nearly 60% of the 305 species found in North America in winter are on the move, shifting their ranges northward by an average of 35 miles. Audubon scientists analyzed 40 years of citizen-science Christmas Bird Count data and their findings provide new and powerful evidence that global warming is having a serious impact on natural systems. Northward movement was detected among species of every type, including more than 70 percent of highly adaptable forest and feeder birds.

Only grassland species were an exception - with only 38 percent mirroring the northward trend. But far from being good news for species like Eastern Meadowlark and Henslow's Sparrow, this reflects the grim reality of severely-depleted grassland habitat and suggests that these species now face a double threat from the combined stresses of habitat loss and climate adaptation.

It is the complete picture of widespread movement and the failure of some species to move at all that illustrate the impacts of climate change on birds. They are sending us a powerful signal that we need to 1) take policy action to curb climate change and its impacts, and 2) help wildlife and ecosystems adapt to unavoidable habitat changes, even as we work to curb climate change itself.


(c) Associated Press
Click on the map thumbnail for a visual presentation of where a number of these species have traveled from their original grounds.

Browse some species on the move - and some who are not as adaptable - and learn what you can do to help.