More Birds Squirrel-X1 Squirrel-Proof Bird FeederFeed birds (not squirrels!) with the revolutionary Squirrel X1 Squirrel Proof Bird Feeder! If a squirrel tries to feed on any of the 4 spring loaded perches, the X1s integrated design shuts every port simultaneously, stopping racketeering rodents right in their tracks. From cardinals and grosbeaks to finches and more, songbirds love the X1s long, broad perches. The wide top opening makes refilling a breeze. The X1s reinforced metal tabs and metal