Dolphin clicks are short, high-frequency sounds that are produced by rapidly snapping their jaws shut. These clicks are used for echolocation, as they bounce off objects and return to the dolphin, providing them with information about their surroundings.
Dolphin whistles are longer, lower-frequency sounds that are produced by expelling air through their blowhole. Whistles are thought to be used for communication between dolphins, as they can vary in pitch, duration, and pattern. Different whistles may represent different meanings, such as danger, food, or social bonding.
In addition to clicks and whistles, dolphins also communicate through body movements. They may slap their tails on the water, leap out of the water, or rub against each other. These movements can convey information about their emotional state, intentions, or social status.
The study of dolphin communication is known as delphinology, and scientists are constantly learning more about the complex ways in which these animals communicate with each other.