Aspects 361 Oriole Feeder 16-Ounce Oriole feeder with 4 ports and perches, built-in ant moat, 16-ounce capacity Attracts hummingbirds also. Top and base interchangeable with Aspects Excel Hummzinger feeders hanging rod fits all Aspects feeders handy to fill and clean for those who feed both hummers and orioles.