Aardvark (IMAGE) University of the Witwatersrand Caption Sightings of aardvarks foraging in the daytime are becoming more common but can be a sign of food shortages brought on by drought. Credit Nora Weyer/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.