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What
do you think the world¡¯s biggest animal is? It is the blue whale! Blue whales are
estimated as the biggest creature ever to have lived
on Earth. Scientists say that they are even bigger than the biggest
ancient dinosaurs!
It might be hard to imagine how big a blue whale is. How big? Don¡¯t
be surprised. An average blue whale can grow
up to 25 m long and weighs 160 tons (160,000 kg)!
How long
and heavy! The largest whale ever measured was a female weighing 171 tons
and over 27 m long! Interestingly, the heart of a blue whale is the
size of a car. Their blood vessels are so large
that you could swim in them!
What does a big blue whale eat? They feed on a huge amount of shrimps and crabs. And they
are found throughout the world¡¯s oceans.
However, they are listed as endangered animals because
people have hunted them thoughtlessly until recently.
Let¡¯s protect our big friends, everyone! |
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