Most people have heard the noises made by dolphins which they use to communicate, but not all sounds are the same. They vary in frequency, volume, wavelength and pattern.
Echolocation is used by dolphins to detect other animals, food, and dangers. A dolphin can build an image of its environment before seeing the object.
It is believed that dolphins follow similar types of humans patterns in their communication efforts.
Dolphins make noise using a special part of their anatomy called nasal air sacs.
There is always an ongoing debate about dolphin intelligence. While most scientist agree about the problem solving capabilities of dolphins and their advanced communication capabilities.