An amazing variety of birds visit these NutCakes. In addition to the regular feeder birds such as; Cardinals, chickadees, woodpeckers, nuthatches, finches, and titmice, we have reports of various warblers, wrens, kinglets, mockingbirds, and even bluebirds eating these NutCakes. No waste, no mess, never melt. Ingredients: Pecans, black oil sunflower, sunflower hearts, white millet, collagen, and gelatin.