Once the frequencies are detected, a loud, penetrating sound alarm is initiated at the swimming pool and in the house simultaneously,' a Dolphin Alarms statement explained. The alarm system works ...

Using a combination of sounds, body movements ... are used for “echolocation,” a form of sonar that helps dolphins navigate and locate their food. While not strictly communication, clicks ...

Echolocation is a biological sonar that allows dolphins to “see” with sound. By emitting a series of high-frequency clicks and listening to the echoes that bounce back, they can detect objects ...