A new study has identified sounds made by 53 species, many of which were previously thought to be mute.
A new study published in Nature Communications has identified sounds made by 53 species, many of which were previously thought to be mute. Fifty of the species were turtles, with tuataras , caecilians , and the South American lungfish rounding out the group. Gabriel Jorgewich-Cohen, the lead researcher on the publication and a PhD student at the University of Zurich, told CNN that the idea for the research was born when he read about a project in Brazil’s Amazon rainforest.
But the extended evolutionary family tree constructed by Jorgewich-Cohen’s research team suggests that the ability to produce sounds “comes from one single origin,” he said. The paper claims that vocal communication must be as old as the last common ancestor of choanate vertebrates , approximately 407 million years old.
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