(IMAGE) University of Liège Caption Example of the morphological variation observed in the cranium of felids and nirmavids with species exhibiting both short and long upper canines. Credit Narimane Chatar / University of Liège Usage Restrictions No commercial use License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.