Nuts are a good source of protein and healthy fat. And all birds love nuts! Give your birds a mixture of almonds, pistachios, unshelled peanuts, pecans, pine nuts, macadamia nuts, palm nuts, hazelnuts, walnuts and cashews, and watch them forage away. Almonds are high in Vitamin E and manganese, as well as walnuts, which are also high in copper. Nuts are a good source of zinc, vitamin A, folic acid and more. Sunflower Seeds Black-oil seeds rank as the single best wild bird food. These small. Thin-shelled seeds are easy to open and are rich in fat and protein. Virtually every bird that visits backyard bird feeders eats black-oil seeds. They work well by themselves or as the primary ingredient in quality mixes. Striped sunflower seeds are larger and thicker shelled than black-oil seeds. Consequently, only birds physically able to crack open these seeds can eat them. Grosbeaks, Finches, Jays, Nuthatches and Woodpeckers can handle them. Hulled sunflower seeds - kernels mechanically stripped of their shells are ideal for most birds because they are pure food. Birds need not spend any time or energy cracking the seeds to remove the meat. In fact, sunflower kernels are the best of the best. If we offered only one food in our backyard, it would be hulled sun-flower seeds. Nuts Peanuts, walnuts, pecans, almonds and other nuts are natural, nutritious, energy foods for many birds, especially woodpeckers, jays, chickadees, and nuthatches. Nuts are more expensive than sunflower seeds. But after you discover how much birds love nuts, there's no turning back! But squirrels and chipmunks love nuts, too, so nut feeders must be as squirrel-resistant as possible. Peanut hearts the embryos removed during the manufacture of peanut butter -are overrated as bird food and often attract starlings. Corn Birds such as doves, quail, turkeys and ducks love corn. At back-yard feeders whole corn kernels attract Red-bellied Woodpeckers, crows and squirrels. Unfortunately, it also attracts and grackles. Nutritionally, corn is high carbohydrate and fat, but low in protein. In urban settings where pigeons are a problem, whole corn is best avoided. Cracked corn, and especially finely cracked corn (also called chick chops or chick corn), appeals too many backyard birds but it does have some serious disadvantages. Cracked corn is dusty, spoils quickly when wet and attracts many undesirable birds. Pigeons, starlings, House cowbirds and grackles quickly find feeders filled with cracked corn, so use it sparingly where these birds are a problem. Fruits Fruits may seem like a summer food but across the sunbelt and on warm winter days in the north, woodpeckers, jays, robins, bluebirds, catbirds and mockingbirds can be coaxed to a feeding tray with fruit. Raisins, sliced apples and oranges and bananas all work well. Scatter on an open tray or impale on small braces or nails.