"François Therrien, curator of dinosaur paleobiology at the Royal Tyrrell Museum in Alberta, was part of a team that used isotope clumping to analyze the eggshells of small, meat-eating dinosaurs called troodons, and found they were as warm-blooded as birds with body temperatures more than 40 C.
He said researchers knew that tyrannosaurs grew fast and weren't just sluggish, cold-blooded animals, but this study provides a more precise, confident measure of body temperature."
Framing: mixed ·
First seen: 2026-09-17 ·
Last seen: 2026-09-17 ·
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