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North America Has Lost 3 Billion Birds, Scientists Say


Added 09-19-19 02:06:03pm EST - “Researchers estimate that the bird population has fallen by a quarter since 1970. More than 90% of the loss can be attributed to just a dozen bird families, including sparrows, blackbirds and finches.” - Npr.org

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Posted By TheNewsCommenter: From Npr.org: “North America Has Lost 3 Billion Birds, Scientists Say”. Below is an excerpt from the article.

Migrating shorebirds at Kimbles Beach, N.J. Researchers estimate that the population of North American shorebirds alone has fallen by more than a third since 1970. Jacqueline Larma/AP hide caption

Migrating shorebirds at Kimbles Beach, N.J. Researchers estimate that the population of North American shorebirds alone has fallen by more than a third since 1970.

Over the past half-century, North America has lost more than a quarter of its entire bird population, or around 3 billion birds.

That's according to a new estimate published in the journal Science by researchers who brought together a variety of information that's been collected on 529 bird species since 1970.

"We saw this tremendous net loss across the entire bird community," says Ken Rosenberg, an applied conservation scientist at The Cornell Lab of Ornithology in Ithaca, N.Y. "By our estimates, it's a 30% loss in the total number of breeding birds."

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