Well, it's true. There are four types of communication. They are chirps, clicks, whistles and click trains. Dolphins also communicate physically. For example bubble streams help the dolphins find each other.
Dolphins are amazing creatures.
A group of dolphins, called a pod, can travel a total of 50 miles in one day. When out of water, dolphins can see as far as five miles. I really enjoyed film. I learned a lot of things that I didn't know before. I also loved the graphics.