How do we know what dinosaurs sound like?

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answers:
JazSinc say: Guesswork, based on anatomical comparisons with extant animal bones.
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Batcheno say: Nobody **** knows that
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Roman say: No one knows, just speculation like most science is.
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Horned Toad say: We know that hadrosaurs make sound because of the strange structure on their heads that can make sound when scientists blow into them. We do not know if other dinosaurs are capable of vocalization or not, and no idea what they may sound like if they do.

In general bigger animals have lower pitched voices. So dinosaurs may have low pitched noises like bulls, elephants or whales but not high pitched sounds like cats, dogs, mice, birds or dolphins.
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mars say: We don't exactly. Some had a Syrinx, like the vocal-organ of birds.
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Dances with Weed say: They made audio recordinds. Tneyre found near the fossils
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