Pic 3 (IMAGE) University of the Witwatersrand Caption Wildebeest in Serengeti National Park in Tanzania migrate over long distances and track the areas where the best food is available through the seasonal cycle. Credit Gareth Hempson/Wits University 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.