Trap Map (IMAGE) Penn State Caption Researchers analyzed camera trap data for 108,087 trap days across 12 countries spanning five continents, and estimated local probabilities of co-occurrence of mammals animals of the order Carnivora -- meat-eaters ranging from weasels to polar bears. Credit David Miller research group, Penn State Usage Restrictions non commercial 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.