Sunflower hearts wild bird food. Sunflower hearts are sunflower seeds without a husk or shell. Since there is no husk for the birds to discard, these sunflower hearts are a no waste, no mess seed. Packed with high protein and fat, they are a year round favorite full of nutrition. A gourmet 100% edible treat for birds. Ideal grain to attract many varieties of colorful finches and other wild birds.