Alligator (IMAGE) Field Museum Caption An alligator whose tissues were analyzed for this study, provided to the researchers by the Landry family who star in the History channel show Swamp People. Credit Photo courtesy of Tom Cullen Usage Restrictions Please include credit 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.