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 ...

The genus lived approximately 99 to 65 million years ago, during the Late Cretaceous period. It inhabited the coastal plains ...

Troodon, paleontologists contend, may have been one of the most intelligent dinosaurs. Bearing this unique attribute in mind, ...