adults,    anatids,    animals,    aves,    birds,    canards,    crows,    drakes,    ducks,    females,    flight,    format,    gulls,    lakes,    laterally,    males,    mallards,    outdoors,    outside,    river,    seagulls,    shorebirds,    swans,    swimming,    swims,    waterbirds,    waterfowls,