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| Blue Whale |
Blue whales are the largest animal that ever lived on earth. Here are some facts about these amazing creatures.
- Blue whales can weigh up to 200 tons and reach 100 feet ( 30 meters) long.
- Blue whale's heart is as large as a small car.
- The heartbeat can be detected from two miles away.
- A human baby can crawl through the blue whale's main arteries.
- Blue whale's mouth big enough to fit about 100 people.
- Their tongues can weigh as much as an elephant.
- Blue whales have bellybutton.
- Average lifespan of blue whale is estimated at around 80 to 90 years.
- Blue whales have two blowholes.
- The spray from blue whale's blowhole can reach nearly 30 ft (9m) into the air.
- Blue whales can reach speeds of 50 km per hour (31 mph).
- Blue whale can dive up to 1640 feet.
- Blue whales sounds reach 188 dB, louder than a jet engine (which just 140 dB).
- Blue whale can communicate each other up to 1.000 miles (1.600 km).
- Blue whales look true blue underwater, but on the surface their coloring is more a mottled blue-gray.
- Krill is blue whale's main food. Krill is tiny shrimplike animals that is less than 1/1000th blue whale size.
- Adult blue whale eats about 4 tons of krill a day.
- Blue whale is a mammal rather than fish; it gives birth and nurse live young.
- The period of pregnancy is about one year.
- Blue whale calves can weigh up to 3 tons and 23-27 feet in length.
- Blue whale calves drink 380–570 litres of milk a day.
- A blue whale's milk supposedly tastes like a mixture of fish, liver, milk of magnesia, and castor oil.
- Baby whale calves gains about 200 pounds (91 kilograms) every day for its first year.
Sources: National Geographic, Buzzle, Discovery Education
Wow! I never imagined the blue whales are so enormous and gigantic. Well, I had an idea that they are huge but when I read the facts you posted, I just realized how BIG they really are. ^^
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