From NPR: In the animal kingdom, some creatures are famous for the sounds they make — birds and their songs, cats and their meows, frogs and their ribbits.
But some animals are more quietly mysterious. Do turtles talk? What about other lesser-known vertebrates such as tuataras, caecilians and lungfish?
The answer is yes, according to a new paper in Nature Communications presenting evidence that many species thought to be mute do in fact vocalize — and the researchers caught it on tape.
Want to hear the evidence? Here's the sound of a southern New Guinea giant softshell turtle. And here's a caecilian, a limbless amphibian that lives hidden underground.
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