By the early 1960s, this had become (and remains) the prevalent idea, mainly because some, This page was last edited on 4 March 2023, at 02:57. Stegosaurus, therefore, probably browsed primarily among smaller twigs and foliage, and would have been unable to handle larger plant parts unless the animal was capable of biting much more efficiently than predicted in this study. 2. Furthermore, within the hind limbs, the lower section (comprising the tibia and fibula) was short compared with the femur. Kessler contacted the Denver Museum of Nature and Science, who sent paleontologist Robert Landberg. But T. rex didn't live until about 80 million years ago, up until about 65 million years ago in the great extinction event. Finally, You Can See Dinosaurs in All Their Feathered Glory - Animals Display and species recognition remain likely functions for the plates, although such hypotheses are difficult to investigate. This article was most recently revised and updated by, https://www.britannica.com/animal/Stegosaurus, Stegosaurus - Children's Encyclopedia (Ages 8-11), Stegosaurus - Student Encyclopedia (Ages 11 and up). not only the fused up-down motion to which stegosaur jaws were likely limited). [76], Another possible function of the plates is they may have helped to control the body temperature of the animal,[76] in a similar way to the sails of the pelycosaurs Dimetrodon and Edaphosaurus (and modern elephant and rabbit ears). Almost all birds are flying creatures to some degree, and they all have wings. Scientists have known for years that many dinosaurs had feathers. Feathers are what distinguishes birds from other existing lifeforms; but they're also what connects them to the creatures of yore. So there is now more evidence that perhaps, yes, Tyrannosaurus Rex did have feathers! Calculating the speed of Quadrupedal graviportal animals by Ruben Molina-Perez, Asier Larramendi. No feathers c. Feather shafts were too thin d. Feather shafts were too heavy e. No wings. Scientists arent exactly sure how they chewed and foraged for food, because their mouth is simply, weird.
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did stegosaurus have feathers