Bird Feeder Metal Squirrel Proof Hanging Outdoor Backyard TubeSquirrel Proof Bird Feeder for Backyard Birds Bring more birds into your yard using this bird feeder built with a smart squirrel proof system that keeps seeds protected. The rotating perch reacts to heavier weight, blocking squirrels while still letting birds feed easily. The metal frame holds a large reservoir that stores plenty of seeds, reducing refills. Four feeding ports support multiple birds at once, making it easy to create a lively space