![]() Scientists believe that Brachiosaurus swallowed vegetation whole, as its teeth were suited to stripping vegetation but not breaking up large chunks of plants.īrachiosaurus are thought to have traveled in herds, moving on after they had exhausted the vegetation in a particular area. Adult sauropods, including Brachiosaurus, likely had to eat up to 400 kilograms (880 pounds) of dry plant matter every day, according to a 2008 study in the Proceeding of the Royal Society B. The dinosaur's skull had a wide muzzle and thick jawbones that housed spoon-shaped teeth, which were perfectly suited for stripping vegetation.īrachiosaurus probably fed on coniferous trees, gingkoes and cycads. Additionally, Brachiosaurus may have weighed about 62 tons (56 metric tons), according to 2014 study in the journal PLOS Biology.īrachiosaurus Skeletal Reconstruction (Image credit: © Scott Hartman / All rights reserved) What did Brachiosaurus eat? ![]() ![]() altithorax came from specimens that weren't fully grown. altithorax was about 82 feet (25 meters) long, though the dinosaur may be even larger than this, as the fossils of both G. brancai should belong to its own genus, reclassifying it as Giraffatitan brancai. altithorax (the North American species), and determined that B. But in a 2009 study in the Journal of Vertebrate Paleontology, paleontologist Michael Taylor reanalyzed the fossils of B. It's unclear just how large Brachiosaurus really was because most size estimates for the dinosaur come from fossils of what was thought to be its African form, B. The study, published in the journal Science, suggests Brachiosaurus had behavioral or bodily mechanisms to keep cool despite their large size, such as having a lower metabolism during adulthood. In 2011, however, researchers were able to directly calculate the dinosaur's temperature to be 100.8 F (38.2 C), by measuring the ratios of certain isotopes (atoms of elements with a different number of neutrons) in Brachiosaurus teeth. ![]() Calculations based on this theory indicate a body temperature of up to 113 degrees Fahrenheit (45 degrees Celsius) for Brachiosaurus. Some models suggest Brachiosaurus and other sauropods (long-necked dinosaurs) were gigantotherms - animals whose enormous size allowed them to keep high body temperatures. Brachiosaurus was likely a warm-blooded animal. ![]()
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