Rana kauffeldi (image) PLOS Share Print E-Mail Caption Photo of the new male leopard frog species, named Rana kauffeldi. Credit Feinberg et al. Usage Restrictions CC-BY Share Print E-Mail 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.