Over the course of many years studying endangered San Joaquin kit foxes, retired biology professor Ted Murphy noticed they aren't discerning about food. "They'll eat practically anything," he said. "I'd find fast food bags, rib bones, almost anything you could think of around the dens.
http://www.bakersfield.com/news/local/x331594949/Twinkies-Doughnuts-Researchers-find-kit-foxes-devouring-wrong-foods