Comment on Why is land/sky so cleanly split between mammals/birds?

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Zagorath@aussie.zone ⁨1⁩ ⁨day⁩ ago

The first flying dinosaur evolved from a non-flying dinosaur. The word for a “flying dinosaur” is “bird”. (Sort of. Bird isn’t a scientific term, arguably crown-group birds don’t include the first flying dinosaurs. But in that case the first bird evolved from a flying dinosaur which evolved from non-flying dinosaurs, so it still works.)

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