Accommodate your favorite backyard birds with the Perky-Pet Select-A-Bird Tube Feeder with Copper Finish. First， the rotating ports can be adjusted to serve anything from mixed seed to Nyjer thistle. This way you can serve up the preferred food of your resident birds throughout the year. 8 adjustable ports serve all seed types including mixed seed or Nyjer Perches expand to attract all bird sizes Convenient wide mouth top for easy filling Holds up to 3.5 pounds of seed Plastic Made in USA Your security is our number one concern