WASHINGTON, Aug 15 (Reuters) - Tyrannosaurus subdued prey with raw power, using bone-crushing bite force. But other meat-eating dinosaurs that rivaled T. rex in size used different approaches.
Caption: A Giganotosaurus, even larger than T. rex, will star in "Prehistoric Predators," a blockbuster summer dino exhibit opening May 22 at the Oregon Zoo. Photo by Michael Durham, courtesy Oregon ...
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