I am not sure what kind of ducks these are. Could be mallards, mottled, northern shovelers or even teals all were living in this pond. This family/group were swimming as close to the marsh grass as possible catching insects and bobbing for food.
Tagged: ducks mallards teals wetlands marsh land nature outdoors swamp water pond plant vegetation animal bird green wetland freshwater_marsh aquatic_plant grasses fen salt_marsh bog