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4
Hang Up a Silo Feeder for Small BirdsHang up a tube or silo feeder on a post or tree branch for finches, sparrows, and wrens, etc. These feeders fill from the top and let the seed filter down to a number of perches along the tower. The shape, location, and dimensions of the perches determine who gets to dine. Larger birds may be clever and nimble enough to grasp two perches in order to peck up seed before they slip off. Smaller birds have no problem clasping the perches of any size and shape. Some specialty feeders for birds such as goldfinches have the perches above the seed opening, because they are adept at feeding upside down.