peacock butterfly (IMAGE) Max Planck Institute for Chemical Ecology Caption A peacock butterfly (Aglais io) has eyespots on the upper surface of each forewing and hindwing that appear to look you in the eyes. Credit Hannah Rowland Usage Restrictions Credit must be given to the creator. Adaptations must be shared under the same terms. License CC BY-SA 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.