Forget flatfooted lumbering T. rex. New research shows it walked on tiptoes
Phys.org
February 25, 2026
AI-Generated Deep Dive Summary
New research reveals that Tyrannosaurus rex, often depicted as a flat-footed, lumbering predator, actually walked and ran on its tiptoes. This surprising discovery, published in *Royal Society Open Science*, challenges previous assumptions about how these massive creatures moved. By analyzing fossilized footprints and bones, scientists determined that T. rex's weight was distributed more toward the tips of its toes, allowing it to move efficiently despite its size.
The study involved detailed analysis of tyrannosaur tracks and bones, which showed distinct wear patterns on their claws. These marks suggest that the animals consistently walked on the outer edges of their feet, much like humans walk on their heels. This finding not only alters our understanding of T. rex's movement but also provides insights into its physiology and behavior.
Understanding how T. rex moved is crucial for reconstructing its role in ancient ecosystems. By revealing a more agile and dynamic predator, this research enhances our knowledge of Cretaceous period biology and ecology. It also highlights the importance of studying fossilized traces to uncover details about prehistoric life that cannot be gleaned from bones alone.
This breakthrough underscores the value of interdisciplinary approaches in paleontology, combining anatomy, biomechanics, and field observations to paint a more accurate picture of these ancient beasts. As technology advances, such studies promise even deeper insights into the behaviors and adaptations of dinosaurs, reshaping our understanding of their place in Earth's history.
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Originally published on Phys.org on 2/25/2026