Blue Whale Facts
"There
are some interesting blue whale facts.. "
* Blue whales are the largest animals that have ever lived on the Earth.
* They can be up to 30m long and weigh up to 150 tonnes.
* A blue whale's heart is the size of a small car.
* It is only possible to grow so large in the water, because in the water things "weigh" less than on the land thanks to water's boyancy.
* If a blue whale (and some other larger whales) accidentally got out of the water, they would die just because their inner organs would get crushed under their own body weight.
* Blue whales eat about four tonnes of krill every day during the summer, and almost nothing during the winter.
* Blue whales cruise-feed - they swim through a krill swarm with their mouths open.
* They can make a very loud noise measuring 180 decibles.
* The heart of a resting blue whale beats 10 times slower than the heart of a human.
* Blue whale baby is seven metres long and weighs three tonnes. It drinks 350 litres milk a day.
* Before the whaling began, there were 250,000 blue whales. Today there are 14,000.
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