Jeweled Chameleon (IMAGE) Duke University Caption Over 90 percent of the more than 700 species of reptiles and amphibians that live in Madagascar -- like the jeweled chameleon (Furcifer campani) shown here -- occur nowhere else on Earth. A study of how Madagascar's unique biodiversity responded to environmental fluctuations in the past suggests that the climate change and deforestation that the island is experiencing today will have varying effects on different species. Credit Jason L. Brown, City College of New York. 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.