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

Birds have been nesting in rugged Arctic environments for almost 73 million years, new research finds — more than 25 million years longer than was previously thought. A collection of more than 50 ...
New Scientist

First evidence of ancient birds nesting above the Arctic circle

Newly discovered bone fragments from Alaska suggest birds have been breeding and nesting in the Arctic for at least 73 million years. “Which is kind of crazy, because it’s not easy to live in the ...