Dinosaur voice box fossil reveals what they sounded like 150,000,000 years ago

Researchers in China have discovered a well-preserved skeleton of a new dinosaur species, Pulaosaurus qinglong, which may have chirped rather than roared, as its larynx resembles that of modern birds. This find, along with evidence from another dinosaur, suggests that chirping could have been more common among dinosaurs, challenging traditional perceptions of their vocalizations.

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