Dolphin are sea creatures. They are mammals, not fish, as the mother feed their young on their milk...They usually live in groups of 20 to 100 animals. Dolphins communicate with high-pitched clicks called phonation. Some of these clicks are higher than any other animals sound. Even while Hunting for food, they use these clicking sounds......These Clicking sounds are reflected by object in their path and come back as echoes....The echoes help dolphins to make out as to where the fish are and also how far they are from their prey.....This technique is know as echo-location. Whale and bats also use this technique...Dolphins are among the most intelligent animals, along with humans and chimpanzees.. Dolphins can be trained to jump through hoops, toss balls or walk backwards through the water on their tails.........
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