1,    2,    a,    adults,    anatids,    animals,    aves,    birds,    canards,    common,    contact,    ducks,    eat,    eats,    fodder,    format,    grassland,    greenfield,    meadows,    outdoors,    outside,    pasture,    puddles,    shelducks,    size,    solo,    spots,    vertical,    waterbirds,    waterfowls,