Dr. O

Dolphins are marine mammals closely related to whales and porpoises.there are almost forty species of dolphin in 17 genera. They vary in size from 1.2m and 40kg, up to 9.5m and 10 tones. There make a lot of sounds and love to play in the water. They live in the ocean with whales and other animals. There are baby dolphins and big dolphins in the ocean.