Blue whale or sperm whale
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What is the Largest Whale? A Cetacea Size Comparison Chart. | Smithsonian Ocean
That distinction goes to the blue whale (Balaenoptera musculus), the largest The sperm whale (Physeter macrocephalus), on the other hand, may not be the.
Kaikōura is one of the few places in the world where Sperm Whales can be Blue Whales are the largest, heaviest and loudest animal that has ever lived on.
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Description:Evolution of cetaceans Blue whales are rorquals family Balaenopteridae , a family that includes the humpback whale , the fin whale , Bryde's whale , the sei whale , and the minke whale. The blue whale lineage diverged from the other rorquals during the Miocene, between 7. However, gene flow between the species appears to have continued beyond that date. The blue whale has the greatest genetic diversity of any baleen whale, and a higher than average diversity among mammals. Arnason and Gullberg describe the genetic distance between a blue and a fin as about the same as that between a human and a gorilla.