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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.
Size comparison of a human to Q. northropi (green) and Q. lawsoni (blue) In 1975, Douglas Lawson compared the wing bones of Quetzalcoatlus northropi 's holotype to equivalent elements in Dsungaripterus and Pteranodon , and suggested that it represented an individual with a wingspan of around 15.5 m (51 ft), though presented alternative ...
Perucetus is the largest Eocene whale measuring about 17–20 meters (56–66 ft) long. Some researchers claim that it may have rivaled or exceeded the modern blue whale in weight, partly due to the incredibly thick and dense bones this animal possessed, coupled with its already great size, while others argue that it was much lighter. [ 2 ]
An enormous, rancid-smelling, 52-foot sperm whale has lain beached on the shoreline of the Caspian Sea, the world’s largest lake, since Monday.. It’s a jarring sight; no sperm whales live in ...
Humpback whales are huge, but they aren't the biggest whales out there - blue whales hold that title. But humpbacks are still pretty impressive, weighing in at up to 40 tons and 60 feet in length.
Size of Baird's beaked whale compared to an average human Size of Arnoux's beaked whale compared to an average human Size of Sato's beaked whale compared to a human. The two established species, Baird's and Arnoux's beaked whales, have very similar features and would be indistinguishable at sea if they did not exist in disjoint locations. [33]
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 ...