Infrared Cameras (IMAGE) NOAA National Marine Fisheries Service Caption A set of three thermal imaging cameras are used to automatically detect migrating whales based on the difference in temperature between the whales' blow and the surrounding environment. Credit NOAA 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.