More Birds Harmony Song Bird Tube Seed FeederThe Harmony Songbird Feeder is designed to bring the balance of nature to your yard. By selecting which seed you serve, you choose the birds that will be compatible and feed in harmony. Our Stay Full Ports ensure that the seed is evenly distributed, even when the seed gets low. All six feeding stations can accommodate mixed seed or use thistle inserts to serve Thistle Nyjer. Control who visits your feeder with the adjustable perches. The wide mouth