Metal Nyjer Havenandreg; Duncraft Havenandreg; feeders are squirrel-resistant sanctuaries for small songbirds. The Havenguardtm fencing allows many birds to perch and feed at once, providing constant activity, bird song and color. The plastic-coated metal fencing deters unwanted guests such as pigeons and grackles, allowing small birds to feed in peace. Havenandreg; feeders have a metal roof and seed tray that are securely clipped to the wire cage. Features Squirrel Lockandreg; tab to prevent squirrels from lifting the metal lid from the seed tube. Eight feeding ports for Nyjer (thistle) seed. Holds about 1 lb of seed.