Robin and Songbird Mix A no-mess product, to be fed all year, and is especially good for small and slender beaked species such as Wrens, Pipits, Mistle Thrushes, Linnets, and of course - particularly with mealworms in the mix - Robins. Ingredients: sunflower hearts, pinhead oatmeal, peanut granules, white millet, dried mealworms, vegetable oil. Composition:: sunflower hearts, peanut granules, pinhead oatmeal, millet, gammarus, mealworm, vegetable oil.