Adult Female Elk (image) S.J. & Jessie E. Quinney College of Natural Resources, Utah State University Share Print E-Mail Caption Fearing cougars more than wolves, adult female elk in northern Yellowstone National Park avoid threats from both predators by occupying 'vacant hunting domains', places and times where and when neither predator hunts, according to a new study illustrating how elk can tolerate living in close proximity to both large predators. Credit Bonnie McDonald 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.