Tuesday, 2 June 2015

Blue Whale and Bryde's Whale

  • Blue whale and Bryde's whale spotted in Maharashtra for first time since 1914. So it is now important for our papers. I have discussed about Blue and Bryde's whale as following:
  • Blue Whale
    Blue Whale
    Source: Wikipedia
    • Generally found in open oceans but comes near coast to feed.
    • According to an estimate only 5,000 - 10,000 blue whales left in world
    • Why is it coming to Indian coast?
      • Yet to be discovered
      • Conjecture(guess) is climate change or other changes in Sea or may be something else
    • It is a marine mammal
    • Porpoise
      Image: Wikipedia 
      Manatees
      Image: Wikipedia

      Dugong
      Image: Wikipedia
      • Other Marine mammals are: seals, dolphins, whales, porpoises(relative of whales and dolphins), manatees, dugongs, otters, walruses, Polar Bears
    • Brevicauda aka Pygmy Blue whale is found in Indian Ocean
    • Blue whale is the largest animal ever known to have lived – larger than even dinosaurs!
    • Estimated life span is min 80 years
    • They make sounds – called vocalisation – the reason is unknown
    • IUCN Red list calls Blue Whale endangered 
    • Their natural predator is Orca
      Orca
      Source: Wikipedia
  • Bryde's Whale
    Bryde
    Image: Wikipedia

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