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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 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).
It can reach a shoulder height of over 1.6 m (5.2 ft) and total length of as much as 3.1 m (10 ft). The heaviest wild polar bear weight recorded was 1,002 kg (2,209 lb). The Kodiak bear, a brown bear (U. arctos) subspecies, rivals the polar bear in size, but is slightly smaller. It has a similar body length with the largest confirmed wild ...
The blue whale is the largest animal on Earth and likely the largest animal ever to have lived. While this ocean mammoth is dubbed “blue,” its color is more a reflection of the water it swims ...
Date/Time Thumbnail Dimensions User Comment; current: 06:02, 29 July 2013: 2,332 × 443 (15 KB): Kurzon: fixed proportions (diver was a little too small). 08:04, 28 January 2013
Rorquals (/ ˈ r ɔːr k w əl z /) are the largest group of baleen whales, comprising the family Balaenopteridae, which contains nine extant species in two genera.They include the largest known animal that has ever lived, the blue whale, which can reach 180 tonnes (200 short tons), and the fin whale, which reaches 120 tonnes (130 short tons); even the smallest of the group, the northern minke ...
Map from the U.S. Geological Survey shows projected changes in polar bear habitat from 2005 to 2095. Red areas indicate loss of optimal polar bear habitat; blue areas indicate gain. Habitat degradation is caused by a number of human activities. Marine mammals that live in coastal environments are the most likely to be affected by habitat ...
The heart of a blue whale with a person standing next to it. The heart of baleen whales functions similarly to other mammals, with the major difference being the size. The heart can reach 454 kilograms (1,000 lb), but is still proportional to the whale's size.