Modest, domestic readings: adaptability from an animal that walks, swims and flies, and family from the line of ducklings people so often remember.
Nobody expects to be moved by a duck, which is part of why the dream sticks. The traditional readings are modest and domestic. Ducks stand for adaptability, since one animal walks, swims and flies, and for family, since they are so often dreamt in a line of ducklings behind a mother. Earlier European sources also link them plainly to household comfort, because for centuries a duck on the water meant food and feathers before it meant anything else.
The most quoted reading turns on the contrast between a still surface and the paddling underneath. That is a modern saying rather than an ancient one and ought to be labelled as modern, but where it fits it fits very well, and dreamers describing effortful weeks produce the picture without being prompted. Taking off from water is read as a change of element handled smoothly. Failing to get airborne is read as the reverse.
A mother with a line trailing behind her is commonly connected with responsibility for people who depend on you, and parents and eldest siblings report it more than most. A pond full of ducks is generally sociable rather than significant. Being followed by ducks, which sounds absurd until it happens to you at three in the morning, is usually described as a comic version of feeling responsible, and interpreters take the humour seriously, since the tone of a dream is part of its content.
Local memory counts for a lot here, because ducks mean farmyard, park pond or dinner depending on where a person spent childhood, and each of those produces a different dream. Somebody who keeps poultry is not reading a symbol; they are dreaming their morning. Treat the tradition as an opening offer and let your own pond correct it.


