Dining sanctuary for dainty goldfinches Larger birds can scare away the smaller goldfinch. But this Nyjer Selective caging is designed to offer goldfinches a protected enclosure for dining–while larger birds are blocked out. Overhanging metal roof protects Nyjer seed from weather; eight stainless steel perches, metal cap, and Squirrel Lock prevent squirrel damage. Holds 1 pound of Nyjer seed. Dimensions are 10-1/2 inches in diameter, 15-1/2 inches tall.