Pennington Hummingbird Feeder and Nectar Kit The Pennington 28 oz. Glass Hummingbird Feeder has been engineered to be the best in class for both consumers and birds. With six bee-resistant nectar ports and seals, it offers migrating hummingbirds a place to rest and eat. The feeder disassembles completely for easy cleaning and the decorative wide-mouth glass bottle allows for easy filling. The top has a built-in ant moat and comes with a metal ring hanger for easy hanging.