Dinosaurs needed to be cold enough for their warm-bloodedness to matter

Magnify / Later theropods had several adaptations to different temperatures. Dinosaurs were once thought to be ectothermic, or cold-blooded, which makes sense given that they were reptiles. While scientists have previously discovered evidence of dinosaur species that were warm-blooded, though what may have triggered this adaptation remains unknown. A team of researchers now think that … Read more