global map of bird extinction (IMAGE) University of Utah Caption A map of global bird loss since 1500, including species confirmed extinct and those likely to have disappeared. Credit Kyle Kittelberger, University of Utah Usage Restrictions editorial use only License Original 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.