Dolphins are very beautiful and at the same time very intelligent compared to other animals. Male dolphins are called bulls while female dolphins are called cows and their babies are called calves which is kind of interesting knowing these names are used for a different animals, I guess no one wanted to go through the trouble of finding other names for this amazing creature. These dolphins has the ability to communicate with each through in many different methods which include whistling, clicking and other sounds. Some dolphins are now extinct thanks to humans behavior and one of these dolphin is Yangtze River that has gone extinct. Please feel free to download and print these Dolphin Coloring Pages for use in school and home.