Barn Owl (IMAGE) Woods Hole Oceanographic Institution Caption Using a thermal video camera, WHOI scientists captured heart rate and respiration rate from a variety of species at the Cincinnati Zoo, including this barn owl, Jasper. Researchers found that taking images of the facial region, where there is less fur and body fat, offered the best readings. The red, blue, green colors in the monitor represent varying temperature gradients Credit Michelle Shero/©Woods Hole Oceanographic Institution Usage Restrictions For use with proper photo caption and credit. 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.