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Blue Whales Are The Largest And Heaviest Mammals On Earth

Blue Whales Are The Largest And Heaviest Mammals On Earth

With their huge size, whales are the largest mammals on earth. The blue whale is a member of the species found in subtropical and polar waters of the world. While blue whales can be as long as 100 feet long, there is no competitor in terms of length. 

Blue whales like to live in seclusion but like to eat in a group. They are known to live up to 40 years of age. Blue whales have been hunted down to the verge of extinction by humans over the past century. They are now protected by legal covenants that bar their killing.

Communication among whales is done by virtue of a number of sounds like hums and squeaks. Communication through these noises peaks during their communion in winters. To make themselves heard, whales are known to elucidate sounds at 180 decibel. This makes them the creatures with the ability to produce the loudest sounds. It banks on its tail to move through the waters. They use the tail to dive deep into the oceans.

Blue whales prefer the winters or early spring to reproduce. Once they reach the age of 10-15 years, they can reproduce. After a gestation period of about a year, the females give birth to just one calf. The female cannot conceive for the next two or three years. The newborn are about seven meters in length, and their weight is about 2.5 tonnes. They stick to their mothers till they are over one year of age. Till that time, they can drink at least 90kg of milk per day.

 

 

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