Santa Catalina Island Fox Swab (IMAGE) University of California - Davis Caption Winston Vickers, a UC Davis wildlife veterinarian, swabs the ears of a Santa Catalina Island fox. A team of scientists led by UC Davis initiated ear mite treatments for the foxes, which have dramatically reduced ear mites and signs of ear canal tumors in the foxes. Credit Megan Moriarty/UC Davis Usage Restrictions Provide credit. 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.