Suet & Seed Ball Feeder Copper Roof Covered roof provides shelter for birds and suet balls. The removable roof allows for easy filling and cleaning. Has a sturdy wire frame construction. The curved metal loop provides many hanging options. Accepts 6 standard suet balls. Species of birds that frequently visit suet feeders are: Woodpeckers, Flickers, Finches, Titmice, Cardinals, Nuthatches, Buntings, Chickadees, Orioles, Sapsuckers, Wrens, Redpolls, Bluebirds, Pine Siskins, Thrushes, Jays, Warblers and many others! Suet Balls are a popular, nutritious and easy food to add to your backyard bird buffet. It is one of the most popular bird foods during the fall and winter, when birds need good sources of fat and calories to help them survive harsh, cold weather.