Friday, June 1, 2012

Could the Parasaurolophus yell?

The Parasaurophus used the 'cranial crest' that stretches from their forehead to the rear of their head to release sounds. The crest is shaped like a curved tube and there is a bone located within it. Inside the bone, there are respiratory tubes that are connencted to the nasal bone, allowing the Parasaurophus to release sounds with the least effort.

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