The Blue whale is the biggest animal in the world it weighs 130,000 kilograms. it has no teeth! its blood is warm!
Some people think that blue whales are fish. some pecause they live in the sea. However, they are not fish. some people think that blue whales breathe water like fish. However, they breathe air They can swim under water for an hour. Then they have to come to the surface to breathe. You can see Blue Whales blowing out air and water. we have not many blue whales in the sea today because some people kill them. They like whale's bodies. Please stop killing Blue Whales.