Modern Early Birds Evolved Long Before The Dinosaurs Went Extinct

Modern birds evolved earlier than previously assumed — much earlier than the dinosaurs’ mass extinction — an event that seems to have had a limited impact on avian evolution

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Artist’s depiction of the genesis of modern birds during the Late Cretaceous Epoch, portraying their coexistence with dinosaurs and their resilience through the Cretaceous–Paleogene mass extinction. (Credit: Shaoyuan Wu)

When did modern birds first appear on Earth? Scientists assumed that modern birds appeared around the time that…