Integrated wrap around perch that encourages hummingbirds to stay and feed longer. 16 ounce capacity. A solid brass stem and built-in ant moat adds quality to this model.. Increases your viewing pleasure by doubling both the nectar capacity and feeding ports. The bright red cover attracts hummers from a distance and removes easily so the bowl can be cleaned quickly and thoroughly.. All hummzinger feeders include a built-in nectar scale.