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TORONTO STAR | Research says Tyrannosaurus rex was built for distance, not speed

Published: 14 May 2020

Tyrannosaurus rex, one of the most feared predators in the Age of Dinosaurs, may have been built for endurance, not speed. A paper published Wednesday takes recent research on how mammals move and applies it to dinosaurs. Its conclusions support theories that the massive meat-eaters hunted in packs and opens a window into the ecology of the ancient forests they roamed. ā€œWeā€™re trying to figure out how much energy is going into and flowing through paleo ecosystems,ā€ said Hans Larsson of Montrealā€™s Ā鶹AV, one of the paperā€™s co-authors. ā€œIf we canā€™t get an estimate for what it takes to feed the apex predators, then we have no chance of estimating anything else.ā€ To figure out how much T. rex needed to eat, the scientists first had to figure out how it moved, including how fast it could run.

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