Red foxes are true omnivores, eating a mix of small mammals, birds, insects, fruit, and whatever else they can find. An adult red fox needs roughly half a kilogram (about one pound) of food every day, and they meet that quota with an impressively flexible diet that shifts with the seasons, the habitat, and whatever opportunity presents itself.
Small Mammals Are the Main Course
Rodents and rabbits form the backbone of a red fox’s diet across most of its range. Voles are a particular favorite in Europe and northern regions, while mice, rats, and cottontail rabbits round out the menu in North America. In stomach content studies, mammals show up in nearly half of all fox stomachs examined, making them the single most common food category by a wide margin.
Foxes hunt small mammals using a distinctive pouncing technique. They listen for movement beneath grass or snow, then leap high and drive their front paws downward to pin the prey. This mousing behavior is so central to their survival that fox populations in a given area often track rodent population cycles closely.
Fruit, Berries, and Plant Matter
Despite their reputation as predators, red foxes eat a surprising amount of plant material. One study in northeastern Poland found plant matter in over half of all fox stomachs examined, though by volume it made up only about 3.6% of the total diet. That gap tells you something important: foxes eat fruit and berries regularly, but in small quantities relative to meat.
The specific fruits depend on what’s available locally. Foxes eat blackberries, blueberries, apples, plums, and other soft fruits that grow within reach. They also consume grasses and leaves occasionally, though these seem to play a minor nutritional role. One useful side effect of all this fruit eating is seed dispersal. Foxes swallow seeds whole and deposit them in new locations through their droppings, functioning as accidental gardeners across their territory.
Insects and Other Invertebrates
Insects appear in roughly a third of red fox stomach samples, particularly beetles (ground beetles are a common find). But the invertebrate menu goes well beyond beetles. Foxes eat earthworms, moths, crane flies, and frogs. They’ve been observed leaping repeatedly into the air to snatch moths in flight and patrolling lawns at night for worms and hatching crane flies. These foods don’t provide the caloric punch of a vole or rabbit, but they’re easy to catch and available in large numbers during warmer months.
How the Diet Shifts With Seasons
A red fox in January eats very differently from one in September. In winter, voles become increasingly important as foxes hunt them through snow cover. Birds also show up more frequently in the winter diet, likely because other prey is harder to find. Carrion from deer and other large animals peaks in late autumn and winter, giving foxes a calorie-rich food source they don’t have to hunt.
The warmer months bring a shift toward fruits, insects, and amphibians. Autumn is when plant material consumption peaks, coinciding with the ripening of wild berries and fallen fruit. In areas where food diversity is low, the seasonal swing can be dramatic. Research in Belarus found that foxes in food-poor habitats relied heavily on carrion during winter, then switched primarily to fruits during the warm season.
Urban Foxes Eat Very Differently
Red foxes living in cities have access to a food source their rural cousins rarely encounter: human leftovers. Stable isotope analysis of fox tissues in Britain found that human-derived food made up an estimated 34.6% of the urban fox diet, compared to just 6% for rural foxes. That’s a massive difference that reshapes the entire nutritional profile of city-dwelling populations.
Urban foxes scavenge from garbage bins, compost heaps, and discarded takeout. They also eat food that people leave out intentionally, along with bird seed, pet food left outdoors, and fallen fruit from garden trees. Peanuts and sunflower seeds spilled from bird feeders are a reliable draw. This access to calorie-dense human food likely explains why urban fox territories can be much smaller than rural ones. There’s simply more food packed into a smaller area.
Food Caching and Storage
Red foxes don’t always eat everything they catch right away. When food is abundant, they cache surplus prey by burying it in shallow holes for later retrieval. This behavior helps them bank calories during times of plenty and draw on reserves when hunting is poor. The daily requirement of about one pound of food is substantial for an animal that weighs only 10 to 15 pounds, so caching provides a meaningful buffer against lean days.
Research using radio-tagged foxes and infrared observation has confirmed that foxes can relocate their own caches reliably, likely using a combination of spatial memory and smell. Each cache typically contains a single item, whether it’s a mouse, a bird, or an egg, spread across the fox’s territory rather than stored in one central location. This scatter-hoarding strategy reduces the risk of losing everything to a single competitor.
What Foxes Eat Depends on Where They Live
The red fox has the largest natural range of any land carnivore, spanning North America, Europe, Asia, and North Africa. That range covers deserts, forests, grasslands, mountains, and major cities, and the diet in each habitat looks different. Desert foxes in Egypt eat more insects and date palm fruit. Foxes in northern forests lean heavily on voles and cached prey. Coastal foxes supplement with crabs and shoreline scavenging.
This dietary flexibility is one of the main reasons red foxes have thrived in so many environments. They aren’t locked into a narrow food niche the way a specialist predator would be. If their preferred prey declines, they pivot to whatever’s available, whether that’s beetles, berries, or the remains of someone’s lunch. That adaptability, more than any single food preference, defines what a red fox really eats.