Bighorn Sheep (image) University of Colorado at Boulder Share Print E-Mail Caption A bighorn sheep in Colorado is pictured. Credit Ann Hough / U.S. Fish and Wildlife Service Usage Restrictions None 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.