Audubon Woodlink Tube Bird FeederAudubon Woodlink Tube Bird Feeder This Audubon Woodlink Tube Bird Feeder is designed for both novice and seasoned birdwatchers alike. Crafted with die cast aluminum finch screens, the 13 inch tube can be filled with thistle or finch mix, and is ready to hang with no assembly required. With this feeder, you can easily attract finches and other small wild birds to your backyard. Finch style tube feeder Designed to be used with nyjer, thistle, or a finch