herd of swans, black and white, with their curved neck & orange beak on danube river, in zemun belgrade serbia, resting & sleeping

adult afternoon anatidae animal are beak beautiful beauty belgrade bird birds curved cygnus danube detailed duck dunav elegance elegant european family fauna feather feathered flock genus graceful grey herd kej look looking nap nature neck necklace plumage pretty quay rain rainy rest river riverspicture serbia serbian sleep sleeping srbija swan swans taken typical white wild wildlife zemun zemunski