View hummingbirds up close. The Nature's Way So Real Window Flower Hummingbird Feeder features a suction cup mounting system which enables more up-close hummingbird viewing without having to hang additional hooks or chains. With vibrant colors that mimic flowers that hummingbirds naturally feed from, this feeder features 3 feeding ports with built-in hummingbird perches to encourage longer feeding times. The feeder can easily be detached from window mounting unit for cleaning and filling. Holds up to 8 oz of nectar.