Fossil tooth analysis confirms Tyrannosaurus rex was warm-blooded
Scientists used fossil teeth to measure the body temperature of Tyrannosaurus rex for the first time. The analysis confirms the dinosaur was a warm-blooded predator. The evidence suggests the T. rex was an active hunter.
By using fossil teeth, scientists measured T. rex’s body temperature for the first time. They found evidence of an active, warm-blooded predator.
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