Migratory birds in the Eastern US are struggling to adapt to climate change

Migratory birds may be particularly vulnerable to the impacts of climate change compared with birds that stay put during the winter,scientists reported May 26 in Proceedings of the National Academy of Sciences. The researchers found that residential birds in North America have expanded their ranges into warming northerly areas since the 1970s, while the breeding grounds occupied by migratory birds have shrunk.

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