Audubon  Swirl Glass Hummingbird Feeder, 16 oz. Model NA35225 Optic glass feeder is an eye-catching way to attract hummingbirds; Clear glass lets you monitor nectar levels; Features a red plastic base and top Holds 16 oz. of nectar (sold separately) 3 perches and 6 feeding stations invites multiple hummingbirds to feed Easy to fill and clean with wide mouth twist-off base A National Audubon Society Licensed Product Audubon Swirl Glass Hummingbird feeder lets you monitor nectar levels Bright red plastic base and top Holds 16 oz. of nectar 3 perches and 6 feeding stations invites multiple hummingbirds to feed Easy to fill and clean with wide mouth twist-off base