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Whale fossil may be the heaviest animal ever
  + stars: | 2023-08-02 | by ( Kristen Rogers | ) edition.cnn.com   time to read: +7 min
CNN —A colossal ancient whale discovered in Peru might be the heaviest animal on record, according to a new study. What’s more, Perucetus likely weighed two to three times more than the blue whale, which today weighs a maximum of 149.6 metric tons (330,000 pounds). Giovanni Bianucci“Discoveries of such extreme body forms are an opportunity to re-evaluate our understanding of animal evolution,” wrote J.G.M. “It seems that we are only dimly aware of how astonishing whale form and function can be,” they added. The lifestyle of a colossal whaleThe findings suggest that gigantism or peak body mass among cetaceans had been reached around 30 million years earlier than previously thought, according to the study.
Persons: Giovanni Bianucci, , ” Bianucci, Perucetus, , , Bianucci, pacificus, Mystacodon selenesis, Mario Urbina Schmitt, Schmitt, Thewissen, David A, Waugh, weren’t, Ingalls, Brown, ” Thewissen Organizations: CNN, University of Pisa’s, sirenians, Peru “, National University of San, Ohio Medical University Locations: Peru, Italy, Ica, Peruvian, National University of San Marcos, Lima
Giovanni Bianucci/Handout via REUTERSAug 2 (Reuters) - Move over, blue whale. The biggest-known blue whale weighed around 190 tons, though it was longer than Perucetus at 110 feet (33.5 meters). Its skeletal mass alone was estimated at between 5 and 8 tons, at least twice that of the blue whale. The researchers suspect Perucetus lived like sirenians - not an active predator but an animal that fed near the bottom of shallow coastal waters. The researchers said it was unlikely Perucetus was a filter-feeder like today's baleen whales including the blue whale.
Persons: Giovanni Bianucci, Perucetus, Bianucci, Olivier Lambert of, Will Dunham, Rosalba O'Brien Organizations: REUTERS, University of Pisa, Royal Belgian Institute of Natural Sciences, Thomson Locations: Peru, Handout, Italy, Argentina, sirenians, Brussels, hoofed, Washington
It may have weighed twice as much as a blue whale because of its dense bones. That's nearly as heavy as a Boeing 747 or twice as much as a blue whale, which typically weighs between 72 and 180 tons. That means the other fossils retrieved from the area may not offer clues to how P. colossus lived. A 3D model shows what a complete skeleton of Perucetus colossus would look like, above a blue whale and smaller Cynthiacetus peruvianus skeletons. No limbs were found near the P. colossus skeleton, but fossilized evidence suggests it likely had both front and back legs.
Persons: Mario Urbina, Olivier Lambert, Giovanni Bianucci, Cynthiacetus, colossus, colossus isn't, Lambert, Florent Goussard, Marco Merella Organizations: Service, Boeing, Santa Barbara Museum of, History Locations: Wall, Silicon, Pisco, Peru, London
A report published Friday examined the causes of deaths of three South American mummies. The two male mummies died violently, while the female died of natural causes. The study suggests that more South American mummies died violently than previously thought. But a recent report shows how two of three South American mummies may have died wildly brutal deaths. There are dozens of South American mummies which might profit from a similar investigation as done here we did here," Nerlich continued.
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