Keywords: Emu skulls.png Comparison of the cranium contour in modern and King Island Emu Several partial skulls from modern Emu are shown at different stages in their development A “ Adult B “ Immature-Adult C “ Juvenile Two partial skulls are shown for the King Island Emu D E 8 The black lines indicate the contour of the upper/rear surface of the cranium The adult and immature-adult modern Emu show a frontally flattened cranium whereas King Island Emu show a more dome shaped cranium Initially this difference was considered a species level difference but juvenile modern emu show the same dome shaped cranium in both taxa and therefore appears not to be taxonomically significant http //www plosone org/article/info doi/10 1371/journal pone 0018728 2011 and 1906 Tim H Heupink Leon Huynen David M Lambert plos PD-Australia PD-us Dromaius novaehollandiae minor Dromaius novaehollandiae bones bird skull comparisons |