Feeder Feeder from Shelby Johnson Feeder A bird feeder designed for the yellow rumped warbler. Holds two liters of sunflower feed. Able to produce many in a short amount of time.Oak, styrene, PETG. gLike Feeder A bird feeder designed for the yellow rumped warbler. Holds two liters of sunflower feed. Able to produce many in a short amount of time.Oak, styrene, PETG. 3D Modeling Model Making Industrial Design Share R 7 n Shelby Johnson Design Student Boston, MA Follow Contact