stress. All oviraptosaurs have this crest but it is certainly the largest in A. wyliei. The most likely function is for display, showing off to members of your own species. The Australian cassowary has a similar crest which is thought to be used to attract mates, so it is possible that A. wyliei could have used its crest in a similar fashion." The fossils showed evidence of injuries, including a healed broken rib and an arthritic toe that was probably the result of a tendon being ripped away from the bone (an avulsion fracture). It is not known whether this indicates that the animals fought each other, or were injured by predators. See also Timeline of oviraptorosaur research References External links Artist's impression of Anzu wyliei Caenagnathids Late Cretaceous dinosaurs of North America Maastrichtian life Paleontology in North Dakota Paleontology in South Dakota Hell Creek fauna Fossil taxa described in 2014 Taxa named by Matt Lamanna Taxa named by Hans-Dieter Sues