Infra-red set-up (IMAGE) Cornell University Caption The infrared camera on the left is pointed at a hummingbird in a chamber placed outside on the right. The birds were therefore experiencing natural light patterns and temperatures. Credit Photo by Antonella Wilby. Usage Restrictions For use only with 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.