Bluebird Feeder. Multiple holes for easy access and escape from predators.Indentation for mealworms. Feed the bluebirds and keep other birds away with this unique feeder. Stainless steel screws; thick, heavy-duty acrylic panels; and aluminum, rust resistant continuous hinges. Stainless steel screws; thick, heavy-duty acrylic panels; and aluminum, rust resistant continuous hinges. Made in the USA by Birds Choice