Sea Mammals

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A sea mammal is a mammal that depends on the ocean for its food. There are different types of sea mammals such as seals, sea lions, walruses, sea cows and dolphins.
Seals, sea lions and walruses live both on land and in the sea. When on dry land or on ice, they are very clumsy in their movements, but in the water they swim gracefully. They all leave the water for land or ice fields to give birth to their young.
Sea cows and dolphins are also aquatic mammals. Sea cows eat water plants, whereas dolphins are mainly fish eaters. Dolphins are intelligent. They communicate with each other using a variety of clicks, whistles and other vocalization. They can also be trained to perform various kinds of tricks and acts.
The highly intelligent killer whale belongs to the dolphin family. Despite its scary name, it has never been reported to attack humans.

















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