Which dinosaur had a head like a parrot?

                       

                           Oviraptor was a dinosaur that specialized in eating the eggs of other dinosaurs. It cracked them open with its powerful beak. Oviraptor was only the size of a modern domestic dog, but had long powerful legs for its size. It would have needed to be able to run fast to escape the dinosaur whose nest it was robbing. Oviraptor also had large hands with long claws, which it would have used to dig into dinosaur nests and remove their eggs. Some relatives of this dinosaur had strange helmet-like growths on their heads, rather like modern hornbills.

Picture credit: google