The best type of bird seed depends on the species you want to attract. For example, black oil sunflower seeds are great for attracting cardinals, chickadees, and finches. Nyjer (thistle) seed is ideal for finches and siskins, while millet attracts sparrows, juncos, and doves. Duncraft offers specialized bird seed mixes tailored to regional preferences and bird species, ensuring a rich birdwatching experience.