News Climate

Winter birds shift north

New Audubon report suggests climate change is the culprit

By Susan Milius

- More than 2 years ago

North could be the new south for wintering birds.

Overall the winter ranges of 305 common North American birds have shifted north. Data from Christmas Bird Counts allowed National Audubon Society researchers to calculate changes in the center of abundance for a species. D. Niven et al./Audubon Society

GOING NORTH Overall the winter ranges of 305 common North American birds have shifted north, according to data from Christmas Bird Counts analyzed by the National Audubon Society.