Dolphins are among those very few water animals that are friendly with human beings. They share many qualities with men. No doubt, dolphins live in water and swim with their fins. They look like fish and swim like them, but they are no fish. They are whales, small whales. They must stick their heads out of water to breathe. Otherwise, they would drown. They also have a special hole on top of their heads for blowing the air in and out. Some dolphins are called bottle –nosed dolphins because their nose is shaped like the neck of a bottle.
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