Thirty Six Seed Ports Means More Happy Finches in Your Backyard. Unique 3 Tube Design Allows Up to 24 Finches to Feed at Once. The Finches Favorite 3 Tube Feeder from Songbird Essentials Features Newly Designed Metal Bars and Caps. This Feeder Holds up to 3 Pounds of Seed and is Designed with Heavy Duty Finch Feeding in Mind.