Yes, dolphins use sound, which is a kind of vibration, to speak, and also to navigate by means of sonar.
vibration
dolphins use ecolocation. which is a sound they make and when the vibrations of the sound bounce off an object . the dolphins can tell how far away from the object they are. they use this because they have very poor eyesight.
Use vibration dampening measures like a barsnake.
So they can communicate with other dolphins if they are farther away from each other.
to study dolphins
Dolphins talk to each other by using clicks and whistles. Some people use click languages. Some people use whistle languages. No group of people speak a language consisting of both clicks and whistles and no spoken words. Perhaps if someone created one it would become possible to talk to dolphins.
The vibration caused by the marchers caused the bridge to collapse.
dolphins do use them. they use them to catch fish and to tear things apart.
They use echolocation!
Vibration is to move or cause to move continuously and rapidly to and fro. It is used in massage.
No.
Bats and Dolphins both use sound to navigate.