Flashier is Better for Female Butterflies (IMAGE) Yale University Caption With only limited exposure, female butterflies can learn to prefer males with four spots on their wings, even though males of their species generally sport two spots. Credit courtesy of Yale 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.