Plant matter:
* Nuts: Acorns, walnuts, hickory nuts, pecans, beechnuts, pine nuts are favorites.
* Seeds: Sunflower seeds, corn, wheat, and other grains.
* Fruits: Berries, apples, pears, peaches, and other fruits in season.
* Buds: They'll eat buds from trees in the spring.
* Bark: Sometimes they'll gnaw on bark, especially in winter.
* Mushrooms and fungi: They are known to eat mushrooms and other fungi.
Animal matter:
* Insects: Grubs, caterpillars, beetles, and other insects.
* Eggs: They'll eat birds' eggs if they find them.
* Small animals: Occasionally they'll eat small mammals like mice or young birds.
Other:
* Birdseed: They are known to raid bird feeders.
* Garbage: They may scavenge from garbage cans, especially in urban areas.
Important note: Fox squirrels are adaptable and will adjust their diet based on what's available in their environment. Their diet will vary depending on the season, location, and food availability.