juvenile yellow-legged gulls walking along a wooden pier with the sea behind, barcelona, spain

animal animals aquatic background barcelona beach beak beautiful beauty bird birds birdwatching blue catalunya close closeup coast color edge europe fauna feather feathers gull gulls juvenile large larus legged marine natural nature ocean ornithology outdoor outdoors pier plumage sea seabird seabirds seagull seagulls shore sky spain summer sunlight walking water white wild wildlife wing wings wooden yellow yellowlegged young