They direct clicks into the water and the clicks rebound off solid objects and echo back to the them. Dolphins listen for the rebounding clicks to identify what the object is and how far away it is. All of these clicks and whistles are created in the dolphin's nasal passages just below the blowhole.
the sound of a dolphin is usually a high piched sound to communicate to other dolphins Dolphin's sound is called Click.
humans are making it harder for dolphins
Bats and Dolphins both use sound to navigate.
Sonar.
Whales and Dolphins have been known for their communication via Sonar waves.
Yes.
Kaikoura dolphins.
Mostly Dolphins.
Sound is useful for dolphins to stay with their pack and hear fellow dolphins shout alarums, but sight is also important for finding the surface and escaping said danger.
No, they just use echolocation to tell where things are. Echolocation is making shrill sounds that humans can't hear that bounce off things. The dolphins have special organs that allow them to hear these sound waves.
Echolocation
Mostly Dolphins.