Lemur (IMAGE) Northern Illinois University Caption A diademed sifaka lemur in Madagascar's Tsinjoarivo forest. Credit Mitch Irwin, Northern Illinois University Usage Restrictions Please use proper 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.