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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.
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Blue whale with calf off the coast of Iceland. The blue whale is the largest living animal in the world in the present epoch. Its summer range extends from the east of Canada to Svalbard, and this range is potentially occupied by two separate groups. [10] Like other rorquals, blue whales appear to migrate further south during the winter.
Orcas also prey on larger species such as sperm whales, grey whales, humpback whales and minke whales. [ 84 ] [ 40 ] On three separate occasions in 2019 orcas were recorded to have killed blue whales off the south coast of Western Australia, including an estimated 18–22-meter (59–72 ft) individual. [ 89 ]
Whales range in size from the 2.6-metre (8.5 ft) and 135-kilogram (298 lb) dwarf sperm whale to the 34-metre (112 ft) and 190-metric-ton (210-short-ton) blue whale. Overall, they tend to dwarf other artiodactyls; the blue whale is the largest creature on Earth.
“The blue whale is the largest and loudest animal on Earth.” The blue whale is the largest animal on Earth and likely the largest animal ever to have lived. While this ocean mammoth is dubbed ...
Orcinus orca and its range (in blue) In biogeography , a cosmopolitan distribution is the range of a taxon that extends across most or all of the surface of the Earth, in appropriate habitats ; most cosmopolitan species are known to be highly adaptable to a range of climatic and environmental conditions, though this is not always so.
The pygmy blue whale is the only one of the three identifiable subspecies to be found regularly in tropical waters. It occurs from the sub-Antarctic zone to the southern Indian Ocean and southwestern Pacific Ocean, breeding in the Indian and South Atlantic oceans, and travelling south to above the Antarctic to feed, [4] [7] although they very rarely cross the Antarctic Convergence.