Two “exceptionally large” feathered dinosaurs have been discovered in a quarry in South Dakota, a find that may help answer some crucial questions about life in the ancient West.
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T. Rex Tooth Found in Dinosaur’s Tail Proves Tyrannosaurus Was a Predator, Study Says
The telltale tooth of a Tyrannosaurus rex found embedded in the tail of a plant-eating dinosaur provides long-sought proof that the famous carnivore hunted and killed its prey, paleontologists announced…
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