By eHow Pets Editor
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A squirrel is one of the many medium sized rodents belonging to the Sciuridae family. There are many different types including the fox squirrel, Western and Eastern gray squirrel, Douglas squirrel, American red and the black squirrel. Squirrels eat foods that are rich in protein, fat and carbohydrates. Their diets consist of nuts, tree buds, seeds, fruits, insects, fungi and a variety of plant food.