Recordings show some 'mute' animals communicate vocally: Study

More than 50 animal species previously thought to be mute actually communicate vocally, according to a study published on Tuesday which suggested the trait may have evolved in a common ancestor over 400 million years ago.

Communication makes hunting easier for chimpanzees

Similar to humans, chimpanzees use communication to coordinate their cooperative behavior—such as during hunting. When chimpanzees produce a specific vocalization, known as the "hunting bark," they recruit more group members ...

Vocal accommodation found in African penguins

A team of researchers affiliated with several institutions in Italy, working with a colleague from Finland, has found that African penguins are capable of vocal accommodation. In their paper published in Proceedings of the ...

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