Straight seeds desired by specific beautiful wild birds! Safflower is desired by many small & large sized songbirds. Best of all: it does not leave behind shells, or attract nuisance birds, squirrels and chipmunks! Best used with a large port tube feeder, hopper feeder or platform feeder. Attracts: Northern Cardinals, Black-capped Chickadees, Dark-eyed Juncos, White-breasted Nuthatches, Downy Woodpeckers, Hairy Woodpeckers, Northern Flickers, House Finches, Mourning Doves