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- Scientific classification: blue whale belongs to the class Mammalia, order Cetacea.
- Food of blue whale: krill (shrimp-like crustaceans).
- Blue whale ranges in size up to 100 ft. (30 m) long; up to 150 short tons (135 metric tons).
- Blue whales are found in the Antarctic and Arctic oceans.
- Blue whales live in seas close to Polar Regions but migrate to equator.
- Blue whale is the largest living creature; critically endangered.
- Surface-feeding baleen whale (fringed plates on jaw for filtering plankton).
- Double blowhole on head of the blue whale is used to breathe, spouts water 30 ft. (10 m) in air.
- Blue whale’s heart is size of a small car.
- Blue whale is the loudest animal, moans at 188 decibels (louder that a jet).
- Newborns of the blue whale are 23 ft. (7 m) long, gains 200 lbs. (91 kg) per day.
- Blue whales are originally classified as “Balaenoptera Musculus” (Little Mouse).
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