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Blue Whales
Image From BBC Nature
Image From BBC Nature
Image From David Reichart/Silverback
Image From BBC Nature
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Physical Traits
Behavior
Status
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About 100 feet long
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Weigh about 200 tons (their tongue alone weighs as much as an elephant, and their heart weighs as much as an auto mobile)
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Largest known animal to ever live on earth.
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Claves are born 25 feet long and weigh 3 tons
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Live around 90-80 years
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Normally travel alone
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Nurse calf for about a year
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Feed off of krill
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Can eat 4 tons of krill a day
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Open mouth as swimming and filter out krill with teeth (baleen)
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Can swim up to 20 miles an hour
Vocalization
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Loudest animals on Earth (can be as loud as a jet engine)
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Use a series of moans, pulses, and clicks
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Can hear each other up to 1,000 miles away
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Use sounds to communicate and to sonar navigate in deep dark parts of the ocean
Sound Of A Blue Whael - Marine Mammal Center
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Were hunted in the 1900's for their blubber
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Are currently endangered
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Threats include: Sharks/killer whales, impact with large ships, loss of food due to climate change
For More Information....
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