Did dinosaur blood run warm or cold? Long-standing question may finally have an answer

[PHDNM]

Did dinosaur blood run warm or cold? Long-standing question may finally have an answer

May 25, 2022

ATLANTA — Fearsome predators like T. rex and towering, telescope-necked dinosaurs, such as brachiosaurus, were warm-blooded creatures in the same way birds and mammals are, according to a groundbreaking new study.

The question of whether the blood that coursed through dinosaurs' giant frames ran warm or cold, like that of reptiles, is a long-standing one that has vexed paleontologists. Knowing that fundamental piece of information could illuminate the lives of the prehistoric creatures in significant ways.

Warm-blooded animals have a high metabolic rate — they take in lots of oxygen and need many calories to maintain their body temperature, while cold-blooded animals breathe and eat less.

https://www.ksl.com/article/50411682...have-an-answer

[Hulu]

T rex was warm blooded but other dinosaurs like Triceratops, stegosaurus, and hadrosaurs were cold-blooded