Upside Down Suet Feeder. Holds two standard suet cakes. Cedar construction. A unique design that allows you to feed birds that are capable of clinging upside down such as woodpeckers and goldfinches. Starlings sparrows and house finches and other birds that can't feed upside down will not be able to feed from this feeder. You will attract more goldfinches, woodpeckers and other more colorful birds to your feeder.