Julia Clarke is a professor and fellow in in vertebrate paleontology at the University of Texas at Austin.Discovered within the rocks of Vega Island in the Antarctic in 1992, Vegavis iaai was classified by a team including her as an early relative of ducks and geese in 2005, making it the only species of modern bird known to have lived at the time of the dinosaurs.The syrinx she studied is from a fossil originally found in 1992, after all.The work by her and other researchers was published in the science journal Nature.
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the University of Texas at Austin
Because dinosaurs are the foreparents of birds, it would make sense that they made the same sorts of noises as their avian descendants, CNN reported Wednesday. "To make any kind of sense of what non-avian dinosaurs sounded like, we need to understand how living birds vocalize," Julia Clarke, the study's co-author, said in a statement. So dinosaurs probably didn't roar. The effect of close-mouthed vocalization in a dinosaur probably would've been similar to a pigeon's coo, only amplified many times.
The oldest avian vocal organ ever found belonged to a duck-sized water bird that lived 66 million years ago in what is now Antarctica, a recent study published in the journal Nature reports. This discovery not only dates the evolution of birdsong but also suggests that dinosaurs, which have never been found with a vocal organ, did not sing and tweet in the same way that birds do. “This finding helps explain why no such organ has been preserved in a nonbird dinosaur or crocodile relative,” said lead author Julia Clarke, a paleontologist at The University of Texas at Austin Jackson School of Geosciences, in a statement.”This is another important step to figuring out what dinosaurs sounded like as well as giving us insight into the evolution of birds.” The newly discovered syrinx belonged to Vegavis iaai, a Cretaceous-era bird related to modern geese and ducks.