Dinosaurs were silent creatures that made no vocalizations

Multiple lines of evidence suggest dinosaurs vocalized. Theropods possessed sophisticated vocal organs including syrinxes similar to modern birds. Lambeosaur crests contained internal passages consistent with resonating chambers for sound production. Trackway evidence suggests herding behaviour requiring communication mechanisms. Paleontologists like Phil Senter have demonstrated vocal capability in dinosaur physiology. Many bird vocalizations derive from dinosaurian ancestors, indicating long evolutionary lineage of sound production. Dinosaurs likely produced roars, honks, and complex vocalizations for territorial display, mating, and herd coordination.