Cretaceous fossil from Antarctica reveals earliest modern bird

PHYSorg
Feb 5, 2025, 11:00 am96 pts
Sixty-six million years ago, at the end of the Cretaceous Period, an asteroid impact near the Yucatán Peninsula of Mexico triggered the extinction of all known non-bird dinosaurs. But for the early ancestors of today's waterfowl, surviving that mass extinction event was like…water off a duck's back.

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