Image 1 (IMAGE) Florida Museum of Natural History Caption Researchers spent five years surveying bird communities in Peru to see how species were affected by different levels of agricultural development. Credit Photo by Ian Ausprey Usage Restrictions Credit must be given to the creator. License CC BY 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.