Jaguar (IMAGE) Penn State Caption Trailcams have revolutionized the study of carnivores such as this jaguar. With their very low density on the landscape and wide territories, monitoring the movement and behavior of carnivores previously had been difficult and expensive. Perhaps surprisingly, researchers around the world often use the same models of cameras used by hunters and sportsmen. Credit Belize Jaguar Project/Virginia Tech Usage Restrictions noncommercial use only 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.