Troodon formosus was a small coelurosaurian dinosaur—a member of the same clade (evolutionary group) to which modern birds belong. Fossilized remains have been discovered of nesting parents and ...

Evidence for heterothermic endothermy and reptile-like eggshell mineralization in Troodon , a non-avian maniraptoran theropod. Proceedings of the National Academy of Sciences, 2023; 120 (15) DOI ...

This is a tooth from a dinosaur called Troodon, a small three feet tall meat-eater that lived in North America during the Late Cretaceous Period, about 77 to 66 million years ago. The 1 mm scale gives ...

An international research team led by Goethe University Frankfurt, Germany, determined that Troodon, a dinosaur very close to modern birds, was a warm-blooded animal (an endotherm), but had a ...