Map of White-crowned Manakin Radiation. (IMAGE) Cornell University Caption Over a few million years, ancestors of the White-crowned Manakin expanded from the Andes Mountains into a wide variety of other habitats and became isolated by landscape features. Map markers indicate the locations and number of genetic samples used in the study. Credit Manakin illustration reproduced with permission from the Handbook of the Birds of the World. Graphic by Jacob Berv. Usage Restrictions Only for use in articles about this research. License Original 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.