First evidence of ancient birds nesting above the Arctic circle

Tiny bone fragments from Alaska suggest birds started breeding and nesting in the Arctic 30 million years earlier than previously thought

Več na: https://www.newscientist.com/article/2482217-first-evidence-of-ancient-birds-nesting-above-the-arctic-circle/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home

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