Birds have been nesting in the Arctic Circle for almost 73 million...

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2025-05-29 19:00:03

WWW.LIVESCIENCE.COM

Birds have been nesting in the Arctic Circle for almost 73 million years, newly discovered fossils reveal

A major collection of more than 50 bird fossils found in northern Alaska suggest some ancient ancestors of modern birds learned to either adapt to the harsh Arctic winter, or migrate south during the Mesozoic the age of dinosaurs.

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