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The blue whale is the largest animal known ever to have existed. [43] [44] [45] 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.
Water pollution is a major environmental issue in India. The largest source of water pollution in India is untreated sewage. [1] Other sources of pollution include agricultural runoff and unregulated small-scale industry. Most rivers, lakes and surface water in India are polluted due to industries, untreated sewage and solid wastes.
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 blue whale is the largest animal on Earth and likely the largest animal ever to have lived. ... Watch a blue whale blow water in the video below: The blue whale possesses a small dorsal fin ...
India's Red List of 2018 was released at the Rio+20 Earth Summit. [1] [2] Since then, new animals have been added yearly.While previously this list contained 132 species of plants and animals in 2018, as of the 2023-1 update from the IUCN Red List, over 950 species of animals (and over 600 species of plants) are listed as critically endangered, endangered, or vulnerable.
If the upper size estimates for Bruhathkayosaurus are accurate, it would even rival the size of the largest recorded blue whale. Mature blue whales can reach 30 m (98 ft) in length, and the record-holder blue whale was recorded at 173 tonnes (190 short tons), [23] with estimates of up to 199 tonnes (220 short tons). [24]
For example, the blue whale reaches a maximum confirmed length of 29.9 meters (98 feet) and a weight of 173 tonnes (190 short tons), making it the largest animal ever known to have existed. [ 5 ] [ 6 ] [ 7 ]