Now you can be selective in your feeding, since suet is usually up for grabs. This feeder can save your suet or seed cake up to 100 times longer, and favors the birds you want to feed ? nuthatches, chickadees and woodpeckers. They can come in from the bottom and feed upside down. Those free-loaders - the grackles, starlings and other large birds - are prevented from feeding. Includes wire cover and chain, ready to use ? just add the suet or seed cake.