Dun Horses (2 of 2) (IMAGE) Uppsala University Caption Dun horses have very variable primitive markings, these photographs show some different variants of dark facial masks, dorsal stripes, shoulder crosses and zebra-like leg stripes. Credit Freyja Imsland and Páll Imsland 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.