The origins of language go back 400 million years.
Recent research has established that many animals previously thought not to possess vocal communication skills have them after all. These species include the lungfish and the turtle. Their utterances arise as air from their lungs is expelled through structures that have evolved in their throats. The startling finding, though, is that such vocal communication originated in a common ancestor alive over 400 million years ago.
Link to article: https://www.newscientist.com/article/2343954-vocal-communication-recorded-in-53-animals-we-thought-were-silent/
You may also like to browse other language posts: https://www.thesentientrobot.com/category/language/
