Claudia Wultsch and Scat Dog (IMAGE) American Museum of Natural History Caption Lead author Claudia Wultsch and scat detector dog Bruiser in the field. Credit © Claudia Wultsch Usage Restrictions Can be used with appropriate 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.