Leatherback Sea Turtle (IMAGE) University of California - Santa Cruz Caption Leatherback sea turtles, a critically endangered species, may visit over 30 countries during their migrations. Credit Alex Eilers Usage Restrictions For use only with news coverage of this research 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.