![]() ![]() You can get an idea of how old a dinosaur is by cutting into its bones and studying its growth patterns. "By which I mean, it would have had the most candles on its last birthday cake. The Canadian mega rex also lays claim to seniority. It is not just Scotty's size and weight that set it apart. But the hard sandstone that encased the bones took more than a decade to remove - only now have scientists been able to study Scotty fully-assembled and realize how unique a dinosaur it is. ![]() rex expert and UAlberta professor Phil Currie were called in on the project. The skeleton was first discovered in 1991, when paleontologists including T. The scientific work on Scotty has been a correspondingly massive project. Scotty, nicknamed for a celebratory bottle of scotch the night it was discovered, has leg bones suggesting a living weight of more than 8,800 kg, making it bigger than all other carnivorous dinosaurs. Take careful measurements of its legs, hips, and even shoulder, and Scotty comes out a bit heftier than other T. Some individuals were lankier than others and some were more robust. "There is considerable size variability among Tyrannosaurus. "This is the rex of rexes," said Scott Persons, lead author of the study and postdoctoral researcher in the Department of Biological Sciences. ![]()
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