two seagulls stand on the shore of the dirty black sea in zaliznyi port ukraine - back view. seabirds look at green algae on the

alga algae animal back background bad beach bird black blue coast dirty ecology environment europe green gull kherson landscape life look nature ocean plant polluted port problem region sand sea seabird seagull seascape seashore seaside seaweed shore stand summer surface swamp two ukraine view water white wild wildlife zalizny zaliznyi