Video recorded of the animals when they made noise allowed him to connect sound with an associated behaviour - to distinguish from accidental sounds that don't send a message. "Sea turtles will ...
While researchers have since concluded that the sound must belong to a living creature, they are unsure exactly what kind of animal it is coming from. Although it might not be coming from just one ...
For some animals, sound is the key to finding a mate and to warn off the competition. Gibbons, dippers and lyrebirds sing some of the most melodious songs in nature to impress the females, whilst bull ...