Endangered San Joaquin Kit Fox (IMAGE) Morris Animal Foundation Caption San Joaquin kit foxes face numerous threats, including habitat encroachment and sarcoptic mange. The highly contagious infection can lead to death. Credit Rick Derevan 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.