Kyle Horton (IMAGE) Colorado State University Caption "Light is attracting these migratory birds for some reason, and we don't fully understand why," said CSU Assistant Professor Kyle Horton. Credit John Eisele/ CSU Photography 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.