Sperm whales teeth and their use

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Being the largest of the toothed cetaceans they can measure in at up to 20 metres in length and weigh in at around 60 tonne in weight! There are some amazing facts about the Sperm Whale that are worth sharing, showing you just how truly amazing these creatures are and in turn how incredibly blessed we are to be able to enter into their natural environment. Due to the large quantities of oil in their bodies, whales are naturally buoyant in water.

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It is the only living member of the genus Physeter and one of three extant species in the sperm whale familyalong with the pygmy sperm whale and dwarf sperm whale of the genus Kogia. The sperm whale is a pelagic mammal with a worldwide range, and will migrate seasonally for feeding and breeding. The females cooperate to protect and nurse their young.

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Whales are mammals, but they don't look like the mammals living around us, as they have a triangular fluke for tail, no hind legs and no body hair. And inside their mouths, their teeth are unfamiliar too -- being much simpler and 'peg like'. A multidisciplinary team of researchers have now married together the fossil record and the embryonic development process to investigate how the whale got its teeth.

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The sperm whale Physeter macrocephalus is the world's largest toothed predator and loudest animal. The whale's common name is the shortened form of spermaceti whaleand refers to the oily fluid found in the animal's head, which was originally mistaken for whale semen. The cetacean 's other common name is cachalot, which derives from an ancient French word for "big teeth.

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Whales are mammals that live underwater. Like all mammals, they breathe air and they are born live from their mothers instead of coming from eggs. However, whales are also unusual mammals, and not only because they live underwater.

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Fossil hunters have recovered the remains of an ancient sperm whale that boasted one of the largest bites of any predator that ever lived. The beast, named Leviathan melvillei after the author of Moby Dick, Herman Melville, had a skull 3 metres long with teeth in its upper and lower jaws that grew to an extraordinary 36cm long. Remains of the whale, including large fragments of its skull, lower jaw and teeth, were found in the sands of the Pisco-Ica desert on the south coast of Peru inbut details of the discovery have only now been released.

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The sperm whale is the largest toothed whale. Males reach 60 feet 17 m in length and the smaller females are 37 feet 12 m. They are dark gray in color, have a hump rather than a dorsal fin, and usually display their tail flukes when they dive.

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Whales are marine mammals that dwell in the oceans and seas. The blue whale is the largest animal on Earth, topping the charts at up to feet in length and up to tons in weight. Whales belong to the cetacean family, which also includes dolphins and porpoises.

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By Michael Marshall. One of the combatants is a kraken — the largest invertebrate known to exista colossal squidover 12 metres in length. The other is its predator.

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November 29, Rivaling the evolution of feathers in dinosaurs, one of the most extraordinary transformations in the history of life was the evolution of baleen—rows of flexible hair-like plates that blue whales, humpbacks and other marine mammals use to filter relatively tiny prey from gulps of ocean water. The unusual structure enables the world's largest creatures to consume several tons of food each day, without ever chewing or biting. Now, Smithsonian scientists have discovered an important intermediary link in the evolution of this innovative feeding strategy: an ancient whale that had neither teeth nor baleen.


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