The More Birds? Diamond Hummingbird Feeder features a glass nectar bottle and a richly red top and basin with 7 integrated perch feeding stations. 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! The wide bottle opening and detachable flat base make filling easy and cleaning a breeze. For best results, use More Birds Premium Nectar, which simulates natural nectar found in flowers.