In general, squirrels eat a mixture of seeds, nuts, corn, fruit, leaves, fungi and bark. Setting out a variety of these items can help them get a balanced source of nutrition. Even a few of these things, like sunflower seeds and peanuts, will satisfy most squirrels.
What is the best food to leave out for squirrels?
If you want to feed squirrels go for unsweetened and unsalted nuts such as: hazelnuts.chopped apple.carrots.spinach.green beans.bean sprouts.celery.Feeding Squirrels | RSPCA
What is squirrels favorite food?
Some of their favorite foods include acorns, walnuts, hickory nuts and Osage orange fruits. They may also feed on wild tree fruits, nuts, and tree buds when food is scarce later in winter.