3D Models of Aye-Aye and Squirrel Skulls (IMAGE) University of York Caption 3D models of aye-aye and squirrel skulls Credit Philip Cox, University of York Usage Restrictions None 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.