fawn (IMAGE) Penn State Caption Only about half of fawns across the white-tailed deer's range, on average, live to see their first birthday, and predators such as coyotes, bears and bobcats have been blamed for that. But this research suggests that other factors such as disease and physiology may be more influential in very young fawn mortality than previously suspected. Credit Tess Gingery/Penn State Usage Restrictions non commercial use only 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.