The Songbird Essentials Dr. JB All Red Clean Hummingbird Feeder 16 oz. (SE6002) features a unique 2 piece base and 4 feeding ports to accommodate more hummingbirds. It's designed to have a clear compartment, allowing the owner to see the level of liquid on the unit. This bird feeder also features innovative flow control design, making it convenient for the birds to get continuous liquid when feeding. A bee resistant base allows the birds to enjoy their food without the bees. The petal feeding ports are replaceable with red or yellow color. The unit has a no drip design and high quality removable parts. Product is easy to refill and clean when needed.