Parasaurolophus <\/em>(\u2018like ridged-lizard\u2019), whose long crest sweeps back along the top of its head. In the 1980s, palaeontologist David Weishampel followed the path of airflow through a skull and predicted that the hadrosaur sounded like a wind instrument specifically, a hook-shaped trumpet called a crumhorn.<\/p> Life-size models built of plastic and cardboard suggested adults made a low parping noise or booming sounds that travelled long distances, while babies and juveniles (with less- developed tubes) produced high-pitched toots or tweets.<\/p>
In 1996, researchers used computed tomography (CT) scans of skulls to reconstruct Parasaurolophus<\/em>\u2019 sounds, which you can listen to below.<\/p><\/figure>Top image: Parasaurolophus (‘near-crested lizard’) \u00a9 Getty images<\/p> <\/body><\/html>\n
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