Study says sperm whales too follow distinctive cultures like humans: Know some more interesting facts about the marine animal with largest brain on earth

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New Delhi: Human beings are considered to be social animals, as they believe in living together, whether in a small family or larger like a town, state, or country. They follow a distinctive culture, which makes them unique in the Kingdom of Animalia. Though there are several characteristics of human beings that are found common in other animals on this planet, a recent study has revealed that a giant marine animal, which is commonly known as sperm whale, believes in living together in a family and follows distinctive cultures like humans. This unique characteristic of the gigantic animal was noticed by Hal Whitehead, a sperm whale scientist at Dalhousie University, in Halifax, Canada. This article will introduce some more facts about the mammoth.

Why is a sperm whale called a sperm whale?

The secret to naming this mammoth lies in their heads, which consist of a liquid waxy substance called spermaceti. The spermaceti is an oil sac that not only give the name to the whale species but also helps them concentrate on sounds. Notably, humans used spermaceti in oil lamps, candles, and lubricants.

Some interesting facts about the sperm whale

It is interesting to know that the head of the sperm whale represents one-third of its body length and has the largest brain on Earth.

With an average body length of 15 to 18 metres, a mature male sperm whale is larger than the female, which is roughly one-third smaller than the male. The average length of a female sperm whale is 11 to 13 metres.

With an average weight of 12.7 to 16 tonnes, the female sperm whales are only half lighter than the males, which attain an average weight of 32 to 42 tonnes.

The sperm whale, also known as the cachalot, is considered as the largest toothed predator.

The sperm whale is a pelagic mammal, an organism that can be witnessed in the water of the ocean, and the only existing member of the genus Physeter.

It is one of the three extant species, an animal species that is surviving in the present day, in the family of sperm whales.

While females and young ones live together in a colony, the mature males, also known as bulls, prefer living outside the boundary, venturing into the large water body of the ocean. However, they come closer to female whales during mating season.

Female sperm whales give birth to young ones every four to twenty years and nurture their calves for over 10 years.

Like other animals, the sperm whale also has two jaws. However, its upper jaw is quite broader than the lower jaw, which is narrower than the upper one. Interestingly, the upper jaw of this giant animal does not contain any teeth, however, it holds a socket that allows conical tooth, similar to a rose throne, in the lower jaw to fit into it. Each side of the lower jaw of a sperm whale consists of 18 to 26 teeth, each of which can weigh up to one kilogram.

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