Determining the Body Temperature of Tyrannosaurus rex
Something that has long vexed the paleontological community for example has been the question whether non-avian dinosaurs like the well-known Tyrannosaurus rex was cold- or warm-blooded, and if the latter, what temperature this was. Flores] et al. in Science Advances in which they seek to answer this question. By looking at the temperature-dependent formation of carbonate clumped isotopes in three T. rex teeth from the Late Cretaceous Hell Creek Formation, they were able to deduce that these dinosaurs had a body temperature of 36.3 ± 2.5°C, comparable to modern-day endotherms.
- ▪Something that has long vexed the paleontological community for example has been the question whether non-avian dinosaurs like the well-known Tyrannosaurus rex was cold- or warm-blooded, and if the latter, what temperature this was.
- ▪Flores] et al. in Science Advances in which they seek to answer this question.
- ▪By looking at the temperature-dependent formation of carbonate clumped isotopes in three T. rex teeth from the Late Cretaceous Hell Creek Formation, they were able to deduce that these dinosaurs had a body temperature of 36.3 ± 2.5°C, compa
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Determining The Body Temperature Of Tyrannosaurus Rex No comments by: Maya Posch September 22, 2026 Title: Copy Short Link: Copy One of the most fun challenges in paleontology is determining characteristics of long-dead species like their behavior and body temperature based on nothing but some fossils and traces that are usually millions of years old. Something that has long vexed the paleontological community for example has been the question whether non-avian dinosaurs like the well-known Tyrannosaurus rex was cold- or warm-blooded, and if the latter, what temperature this was. Cue a recent study by [Randon J. Flores] et al. in Science Advances in which they seek to answer this question.
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