Attracts: American Gold Finches, Evening Grosbeaks, Downy Woodpeckers, Hairy Woodpeckers, Red-bellied Woodpeckers, Rose-breasted Grosbeaks, House Finches, Purple Finches, Black-capped Chickadees, Dark-eyed Juncos, Red-breasted Nuthatches, White-breasted Nuthatches, Northern Cardinals, Steller’s Jays, Blue Jays, Tufted Titmice, House Sparrows, Common Redpolls, Mourning Doves, Northern Flickers. Birds will frequent your feeders more often and stay longer if you provide a consistent, reliable source of high-energy seeds and blends from Armstrong. Made up of black oil sunflower seeds, they are an excellent source of high energy food for birds. High in protein, Vitamin E, fiber, Potassium, Calcium, iron and Vitamin B. Compatible with most feeders on the market such as tube feeders, hopper feeders, window feeders and tray feeders.