Attracts: Downy Woodpeckers, Hairy Woodpeckers, Red-bellied Woodpeckers, White-breasted Nuthatches, Red-breasted Nuthatches, Northern Flickers, Black-capped Chickadees and Dark-eyed Juncos. This suet is especially helpful in the fall and winter months when birds need more energy. Birds will frequent your feeders more often and stay longer if you provide a consistent, reliable source of high-energy blends from Armstrong.