Horse in Zebra Blanket Experiment (IMAGE) University of California - Davis Caption Joren Bruggink of Aeres University of Applied Sciences, at left, and Jai Lake of the University of Bristol investigate how horse flies behave around horses wearing different colored coats. This was part of an experiment led by UC Davis, focused on why zebra stripes are so good at warding off biting flies. Credit Tim Caro/UC Davis Usage Restrictions Provide 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.