What is the biggest animal of all?The whale 1 .The blue whales are the 2 whales.Some blue whales weigh 3 a hundred tons. 4 is that?Just think of a bus.A bus is big and heavy, 5 it weighs only about fifteen tons.A bus is about eight meters 6 , but some blue whales are as long as thirty meters!Though whales are 7 big, they are a gentle kind giant.They live together and 8 each other.Now we know whales“talk”to each other 9 the water.And the giants“speak” 10 singing birds.