With the Perky-Pet Red 2-in-1 Tube Bird Feeder, you can satisfy the appetites and preferences of almost any bird species that visits your backyard. This feeder is conveniently adaptable thanks to the 2-in-1 ports, so you can easily switch from Nyjer to mixed seed or sunflower seed. Simply flip the port open to serve seed or flip closed to serve Nyjer. You will be able to please the palates of your resident birds throughout the year without collecting multiple types of feeders. With more seed options to choose from, you will be able to attract more species of birds to your yard.