 Research conducted in the former Soviet Union showed red foxes consuming over 300 animal species and a few dozen species of plants.They primarily feed on small rodents like voles, mice, ground squirrels, hamsters, gerbils, woodchucks, pocket gophers and deer mice.Secondary prey species include birds (with passeriformes, galliformes and waterfowl predominating), leporids, porcupines, raccoons, opossums, reptiles, insects, other invertebrates and flotsam (marine mammals, fish and echinoderms).