The majority of birds in North America face threat of extinction. Here's what we can do.
Alarming new research by the National Audubon Society finds two-thirds of North American bird species — 389 different species — are at risk of extinction from climate change.
Many people were shocked by a recent, independent study that said nearly 3 billion birds have disappeared from the United States and Canada in the past half a century. And, if left unaddressed, Audubon's new research predicts an even more frightening future.
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