The biggest animal on Earth is the blue whale. It lives in every ocean of the world. It is 33 metres long and is larger and heavier than the largest dinosaur. It usually stays under water from 10 to 15 minutes and then comes up for air. When a blue whale breathes, it makes a loud noise. It is louder than a jet plane. It blows water from 12 to 15 metres into the air above the sea. It lives for about 30 years. Unfortunately, there aren't many blue whales in the world today. These beautiful animals are on danger.
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