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University of New Mexico
Dinosaurs were neither cold-blooded nor warm-blooded, study finds
Dinosaurs were neither cold-blooded nor warm-blooded, study finds

Dinosaurs have long been thought of as slow, lumbering, cold-blooded animals, akin to reptiles like the crocodile and the lizard – but there’s been increasing signs in recent years that they may have been warm-blooded, as mammals and birds are. New research out of the University of New Mexico in Albuquerque, however, shows that these long-dead creatures may have been a little bit of both. The new findings in the journal Science hint that dinosaurs’ metabolic systems might be far more complicated than previously thought. Researchers have long thought the ancient lizard-like beasts were ectothermic (colloquially referred to as cold-blooded) – that is, they rely on the temperature outside...

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