pair of pacific black ducks (anas superciliosa) on water with reflection

water bird wildlife waterbird duck reflection ducks animal waterfowl nature pond wetland mallard river beak goose lake swan leaf pair pacific black anas superciliosa parera grey duck superciliosa natural environment adult animal aquatic bird australia beak watching black blue brown couple dabbling feather fowl head indonesia lagoon lake nature guinea zealand ornithology outdoors outside pair park plumage pond reflection ripple river spring summer swim tranquil two water waterbird waterfowl wetland wild