New Insights from the Throat Fossil of Pinacosaurus: Dinosaurs May Have Chirped Rather Than Roared

Illustration of Saichania and Pinacosaurus（圖片來源：ABelov2014，採用 CC BY 3.0 授權）

When people imagine the sound of dinosaurs, the thunderous roars popularized by films such as Jurassic Park often come to mind. However, a recent study focusing on an ornithischian dinosaur suggests that this image may not reflect reality. Instead of roaring like giant reptiles, some dinosaurs may have produced sounds more reminiscent of bird calls.

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