The Chirp Ultra Premium Wild Finch is crafted with the finest seeds to attract the most desirable birds for your backyard. It is made with a grain-free formula which means less mess and fewer unwanted visitors. No filler seeds left uneaten or scattered around the feeder. Made up of 60 percent sunflower fines, it ensures plenty of nutritious bites for these delicate backyard favorites. Maximize bird activity with the refined blends of the Chirp Ultra-Premium family.