Kingdom : Animalia
                    Class : Mammalia
                 Family : Balaenopteridae
  Scientific Name : Balsenoptera musculus

                 Group : Mammal
                Colour : Grey, Blue, White, Black
                Size(L) : 25m - 30m
                                     (82.5ft - 100ft)
                Weight : 100tonnes-160tonnes
                               (220,000lbs - 352,000lbs)

          Top Speed : 20kph (13mph)
           Life Span : 30 - 45 years
Most Distinctive 
              Feature : Pleats on neck 
                               and two blow-holes
           Fun Fact : The largest animal
                                    on Earth!
  1. The Blue Whale is an incredibly huge species of Whale found across subtropical and polar waters.
  2. There are 3 recognized species of Whales-Northern, Southern and the Pigmy Blue Whale.
  3. They have enormously long, thin and narrow bodies with some individuals growing more than 100ft long.
  4. They have smooth, hairless bluish grey skin.
  5. They have two blow-holes which are used to expel stale air and sea water from their lungs.
  6. Instead of teeth, they have baleen plates which help them filter their food.
  7. They inhabit colder Arctic and Antarctic waters in summers and warmer tropical waters in winters.
  8. Blue Whales are solitary animals.
  9. They communicate with each other by making extremely loud sounds called songs
  10. They breed in tropical waters during winters and give birth to a calf after a 1-year gestation.
  11. Newborn Blue Whales remain with their mothers for about a year.
  12. The females hardly eat anything during the time they nurse their calves.
  13. They are carnivores mainly feeding on krill and small crustaceans.
  14. Blue whales have no natural predators because of their huge size.
  15. Interestingly, their heart is the size of a small car with arteries broad enough for humans to swim through.
  16. Human hunting in the past has brought down their numbers drastically.
  17. Global warming is the current biggest threat to this endangered species.

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