Dolphins communicate through chirps and whistles. Each dolphin has a signature whistle with which it identifies itself; a calf soon learns to recognize its mother's whistle. By clicking and rapid creaking sounds are the basis of the echolocation mechanism (sonar) with which the dolphin gathers extremely precise information about the nature, location, and size of surrounding objects Not a lot is known about their communication. They are like to play and jump and do acrobatic spins in the air. This is a great early reader book about dolphins. The book gives a story, history, detailed science, explores the interesting facts about dolphins and their place in the world.
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