The Dimorphodon was a small flying dinosaur with a large skull and a long beak. The Dimorphodon was a small flying dinosaur with a large skull and a long beak. It hunted fish, insects, lizards and other vertebrates, which it held with its claws and then ripped apart with its fangs. With its short wings it could probably only fly short distances, for example from tree to tree. Fun fact The Dimorphodon had four to five fangs each in the upper and lower jaw.