First Nature 3091 16-Ounce Hummingbird Flower Feeder Wide-mouth reservior and patented two-part base is easy to fill and clean The durable polymer feeder features 10 yellow flower feeding ports, 16 ounce nectar capacity, built in ant moat, s-hook, and round perch design Innovative sealing ring aids in leak prevention Red base attracts inquisitive hummingbirds