These are excellent bird feeders with the added benefit of being squirrel proof. Openings in the feeders align with ports, giving birds access to the
Squirrel Buster Feeder
Grey Squirrel trapped inside a squirrel proof bird feeder
Squirrel Proof - Wild Birds Unlimited
Copper Squirrel Proof Bird Feeder
Pole-Mounted Squirrel-Proof Bird Feeder - Lee Valley Tools
Squirrel Buster Peanut Feeder
The Squirrel Buster 100% Squirrel-Proof Bird Feeder
Duncraft Best Seller Squirrel-Proof Selective Bird Feeder
Birdkiss 5lbs Squirrel-Proof Wild Bird Feeder with Bilateral Weight-Activated Perches, 14 Feeding Ports, Outdoor Bird Feeder for Garden Yard Outside, Red