The Terror Bird Attacks Prey (IMAGE) U.S. National Science Foundation Caption The terror bird Andalgalornis brings its powerful beak down in a hatchet-like jab to kill prey. Credit Marcos Cenizo 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.