For decade scientists have been flummox by the strangely - mould skulls of the duck - charge , crest dinosaur known as lambeosaurus . Their rhinal passage are highly long and voluminous , looping up over the tops of their skulls . Originally it was believed that these were just crack - noses leave a keen sense of smell . But today a group of Canadian and U.S. investigator present their latest findings about the lembeosaurus at the Society for Vertebrate Paleontology in Ohio — it turn out the pinched passages may have been used for fairly complicated communication between dinosaur .
This insight come after researchers used CT scans to attend at the structure of the crests on top of lambeosaurus ’ head . It turns out these crest are connected to the pinched cavities , and that the crests might have emitted what researchers describe as “ eerie bellowing calls . ” CT CAT scan of the brain cavity in the skull evoke that the dinosaurs ’ brains were extremely grow , and their internal ear structure was perfect for picking up the humble frequencies produced by the peak . Paleontologist Lawrence Witmer , a member of the research squad , enjoin :
We were surprised to see just how large the centers of the mind associated with higher cognitive functions were . We surmise that the plumed duck’s egg - billed dinosaurs used both vocal and visual display , but now we see that they had the brain powerfulness and hearing to pull off these behaviors .
Nobody is saying that lambeosaurus had language . And yet their advanced brains , coupled with a extremely - specialise organ for communication , does intimate a potential for speech . So humans might not be the first gabby coinage on the planet , after all . Brain structure offer winder to unraveling part of bizarre dinosaur crest [ viaWitmer ’s LabandOhio University ]
BiologydinosaursPaleontologyScience
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