Bighorn ewe (IMAGE) University of Wyoming Caption This Wyoming bighorn sheep is part of the Jackson herd, one of five distinct herds identified in Wyoming during a study that appeared in the Journal of Wildlife Management. Credit Wyoming Game and Fish Department Usage Restrictions None 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.