A blue whale can be up to 30 meters long and weigh up to 180 tons. In this way, blue whales are larger than the largest skeleton (27 m) of DynaSaor, which is still available.22 In the beginning of the twentieth century, the blue whale was abundant in almost all the oceans of the earth, but due to continuous prey, You have to be surprised to know that all whales, including blue whales, can not breathe in water. They have a hole in their head and when it comes out of water, they breathe with the help of that hole. 4. The blue whale is a very ancient creaturewhich is believed to have originated 5 million years ago. The whale's neck is very flexible, which can rotate round while floating. At the end of whale's tail, two ends help in turning him while floating.6. The average life span of a blue whale is 70 to 90 years. 7. Blue whale can prevent his breath from 35 minutes to 2 hours.
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