Whales are mammals, they give birth to their young ones. Scientist call them Cetaceans from the Latin word "Cetus" meaning whale. There are mainly two kind of whale Baleen and toothed. Baleen whale have large whale bones hanging from the upper jaw. The baleen whale is a Blue whale. It is the largest animal on earth- 100 feet long from head to tail it weight is 150 tones or 15000 Kilogram- More than 20 African elephant together. Though so big the blue Gray and other baleen whale eat only very small sea animal. The Toothed Whale have two rows of teeth just like us. They hunt and eat different fishes and seal. The Sperm Whale the Orca or Killer whale and Dolphin are all toothed whale. The Dolphin is friendly to man. It is also very intelligent. Pet dolphin perform tricks at many marine circuses
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