It is a common Hollywood trope to depict tyrannosaurs and other dinosaur predators as snarling, roaring beasts. However, we don't really see modern reptiles roaring - they hiss or grunt. And since dinosaurs were most closely related to modern birds, it seems more likely that they cooed or clucked instead. So my question is for the paleontologists and dino enthusiasts. Have there been any findings in fossils of tyrannosaurus rex or other similar predators that hint at the type of sounds they would have produced?
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