Blue Whale

The blue whale is a marine mammal. Its scientific name is Balaenoptera Musculus. Like all mammals, blue whales are warm-blooded, breathe air and even have some hair on their bodies!
Blue whales are known for their extremely large size – an average male weighs a huge 190,000 kgs (190 tonnes). Despite their huge size, blue whales have long and slender bodies like a submarine. This streamline shape lets them travel quickly and for long distances. A blue whale can swim up to 25 miles an hour when it needs to.
An adult blue whale measures up to 100 feet (30 metres) long. Can you imagine how long that is? About the length of 3 double decker buses! That’s quite long! Blue whale hearts weigh as much a car and their tongues as much as a whole elephant.

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