Reindeer Eat Seaweed as Survival Strategy (IMAGE) Norwegian University of Science and Technology Caption Yes, that reindeer is eating seaweed. But more than visible proof, researchers have studied stable isotopes in reindeer poop, which confirms that reindeer do eat seaweed. Credit Photo: Brage B. Hansen/NTNU Usage Restrictions With appropriate credit and only in association with articles about 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.