Weight estimates for the now-extinct whale species, named Perucetus colossus, rival or even exceed those of the blue whale.
ever to have lived. It can grow up to around 100 feet in length and the largest specimens have weighed as much as 180 metric tonnes .could have had a body mass of up anywhere between 85 and 340 tonnes —equaling or even surpassingArtist's reconstruction of Perucetus colossus in its coastal habitat. The ancient whale species may represent the heaviest animal ever to have existed.
Amson and his colleagues have known about the ancient whale fossils for 13 years now but it has taken a"very long time" and many field trips to collect all the huge bones, he said, hence why the species has only just been described. "We gave a range of estimates and took uncertainty into account in different ways," Amson said."Our lower estimate, 85 tonnes, is very conservative. But that is still falling within the distribution of blue whales. That's why we are quite confident that we are in the ballpark of blue whale in terms of overall mass."
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