Tyrannosaurus Rex Body Temperature Research Published

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New research published in the journal Paleontology suggests Tyrannosaurus Rex may have had a body temperature similar to modern warm-blooded animals. Analysis of isotope ratios in fossilized teeth indicates active temperature regulation, challenging previous theories of cold-bloodedness for many large dinosaurs.

Key facts

• New analysis of T. rex teeth suggests the dinosaur maintained a body temperature comparable to modern warm-blooded animals.
• Isotope ratios in fossilized T. rex teeth were analyzed to understand metabolic rate and thermoregulation.
• The findings suggest T. rex was actively managing its internal temperature, a characteristic of endothermy.
• This research offers a new perspective on the physiology of Tyrannosaurus Rex.
• The previous consideration for many large dinosaurs was an ectothermic, or cold-blooded, model.