More Birds Diamond Hummingbird Feeder 30oz Details Birds help keep our ecosystem healthy, so help keep birds healthy too with the More Birds® Bird Health+™ collection. Bird Health+™ products are made of bird-safe, BPA-free materials and recyclable parts. The More Birds® Bird Health+™ Diamond Hummingbird Feeder features soft ports and an integrated perch design that optimize the feeding angle and comfort for all species of hummingbirds. Hummingbirds easily feed from the 5 bee guard ports, but bees and wasps are stopped right in their tracks. The Diamond features a spiral, glass nectar bottle and a colorful red top and base. The wide bottle opening and detachable flat base make filling easy and cleaning a breeze. The built-in ant moat stops ants right in their tracks, keeping precious nectar fresh for hungry hummingbirds. With a 30 oz. nectar capacity, the Diamond provides plenty of nectar to keep hummingbirds happy and coming back for more! For best results, use More Birds® Bird Health+™ nectar, which simulates natural nectar found in flowers.