Attracts: Black-capped Chickadees, Common Redpolls, Downy Woodpeckers, Hairy Woodpeckers, Blue Jays, Steller’s Jays and Northern Cardinals. Birds will frequent your feeders more often and stay longer if you provide a consistent, reliable source of high-energy blends from Armstrong. Ingredients include rendered beef fat, cut corn, black oil sunflower, red milo, and white millet. These ingredients are high energy and packed with protein and nutrients, they are especially helpful in the fall and winter months when birds need more energy. Compatible with suet cages or in a hopper feeder with built-in suet cages.