A Jurassic-age dinosaur walked on all four legs as a baby, but graduated to a two-legged stance as an adult.
Source: https://www.livescience.com/65564-dinosaurs-legs-movement.html
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A Jurassic-age dinosaur walked on all four legs as a baby, but graduated to a two-legged stance as an adult.
Source: https://www.livescience.com/65564-dinosaurs-legs-movement.html