Tyrannosaurus FX: What dinosaurs really sounded like
Twenty Thousand Hertz
00:00
Jurassic Park 3: The Resonating Chamber of a Velociraptor
Some dinosaurs, known as parasuralophus, had long skulls with tube-like holes called vacuities inside them. Sound would bounce around inside these tubes, resonating and echoing like a didgeridoo. In Jurassic Park 3, the resonating skull actually becomes a plot point.
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