Sea turtles, which were previously thought to be silent, can actually communicate, a scientist has found.
Gabriel Jorgewich-Cohen, a PhD student at University of Zurich, Switzerland, used microphones and video equipment to record sea turtles in captivity. His research found the turtles speak to one another to mate, or hatch from the egg.
Fifty two other sea creatures previously thought to be mute were also recorded for the study, and were found to be able to talk.
The findings claim to re-write some of what we know about evolution. They suggest that all vertebrates that breathe through their noses and use sound to communicate descended from a single ancestor 400 million years ago.
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