Closeup of An Aye-Aye (IMAGE) U.S. National Science Foundation Caption The aye-aye -- a type of lemur -- extracts insects from trees, filling the niche of a woodpecker. Credit Edward Louis, Omaha Zoo 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.