Drone launch (IMAGE) Purdue University Caption Pat Zollner, professor of forestry and natural resources at Purdue University, and Joseph Hupy, professor of Aviation and Transportation Technology, supervise students to use drones with thermal cameras to document wildlife populations. Credit: Purdue Agricultural Communications/Joshua Clark Credit Purdue Agricultural Communications/Joshua Clark Usage Restrictions News organizations may use this image in reports about the work of Purdue University’s Patrick Zollner and his collaborators. 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.