Tui are a popular bird to attract in many Kiwi backyards. The Tui NectarFeeder, is a specialist feeder for nectar feeding birds like tui, bellbirdsand waxeyes. Nectar feeding birds love sugar water, especially whennectar flowering trees are out of season.Tui are a popular bird to attract in many Kiwi backyards. The Tui NectarFeeder, is a specialist feeder for nectar feeding birds like tui, bellbirdsand waxeyes. Nectar feeding birds love sugar water, especially whennectar flowering trees are out of season.