Take some of the sunflower seeds out of the bag and plant them. This will attract many birds, including goldfinches and cardinals if those live in your area. You can also plant the millet and niger thistle seeds. Millet and niger thistle only need to be planted about an eight inch under the soil. Sunflower can go about a half inch, maybe one inch if soil is soft. Plant as big a patch in these seeds as you can because, as you can see, birds can eat a lot of them!
If you are buying the niger thistle, put it in a dispenser or "sock" that only small birds can eat from. The larger birds can eat the larger, less expensive seeds, so it is better not to have them feasting on the pricey thistle. Save the thistle for birds too small to eat the cheaper seeds.
Peanuts can also be homegrown in much of the midwest and south. I don't know about other parts of the country. You can learn about shrubs and trees that feed the birds, too. Like-- dogwood trees, crab apple trees, well, any fruit tree (they clean off my neighbor's pear and I have to cover my apples with a net if I ever want to eat any of them myself), all kinds of berries, wild cherries, grapes, even locust trees.
Gardening in general is great for birds. In spring robins hang out with me as I turn the soil. I only have to walk away about five feet for one to fly over and snatch worms from the newly turned soil. Mocking birds stay nearby singing, but I think they wait till I leave before they come into the garden. Thrashers like to flit about in the leaf mulch I leave at the base of the shrubs and perennials. They toss leaves into the air looking for insects to eat. Don't deadhead all the spent flowers in your yard. Birds like to come and eat the flower seeds if you will let them. Plant red flowers for humming birds. Red salvia, red honeysuckle, and Campsis trumpet vine are humming bird favorites.
