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The blue whale is the largest animal known ever to have existed. [42] [43] [44] Some studies have estimated that certain shastasaurid ichthyosaurs and the ancient whale Perucetus could have rivalled the blue whale in size, with Perucetus also being heavier than the blue whale with a mean weight of 180 t (180 long tons; 200 short tons).
Size of Paraceratherium (dark grey) compared to a human and other rhinos (though one study suggests Palaeoloxodon namadicus may have been a larger land mammal). The blue whale is the largest mammal of all time, with the longest known specimen being 33 m (108.3 ft) long and the heaviest weighted specimen being 190 tonnes.
The blue whale (Balaenoptera musculus) is a marine mammal and a baleen whale. Reaching a maximum confirmed length of 29.9 m (98 ft) and weighing up to 199 t (196 long tons; 219 short tons), it is the largest animal known ever to have existed. The blue whale's long and slender body can be of various shades of greyish-blue on its upper surface ...
A theoretical study suggested the maximum human lifespan to be around 125 years using a modified stretched exponential function for human survival curves. [15] In another study, researchers claimed that there exists a maximum lifespan for humans, and that the human maximal lifespan has been declining since the 1990s. [ 16 ]
Perucetus colossus, a giant whale that lived almost 40 million years ago is now thought to be the heaviest animal that has ever lived, scientists said Wednesday.
It was estimated to grow around the same size as the aforementioned domestic horse. The largest of the tapirs is the Malayan tapir (Acrocodia indica), the only member of the family outside of South America. Maximum size is about 2.5 m (8.2 ft) in length, 1.2 m (3.9 ft) tall at the shoulder, and up to 540 kg (1,190 lb) in weight. [96]
An underwater photographer who got up close and personal with a massive blue whale says the experience left him feeling awestruck — and incredibly small. Stunning photo shows diver's close ...
The Bowhead whale can live to be 200 years old or more, and now scientists are hoping clues to longevity could be found in the whale's DNA. As the longest-lived mammal, scientists hoped sequencing ...