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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.
The blue whale is found throughout the world’s oceans, except for the Arctic. It is thought to be the most enormous creature to have ever existed. It is the largest alive today.
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.
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.
The biggest blue whales found have been within that range — at around 200 tons (180 metric tons). Its body stretched to around 66 feet (20 meters) long. Blue whales can be longer — with some ...
In general, blue whale populations migrate between their summer feeding areas near the poles and their winter breeding grounds near the tropics. There is also evidence of year-round residencies, and partial or age/sex-based migration. Blue whales are filter feeders; their diet consists almost exclusively of krill. They are generally solitary or ...
Blue whales can grow up to 100 feet long and weigh about 200 tons — that makes them bigger than dinosaurs. Although these whales can be found in every ocean on Earth, ...
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.