seagull perched on rock by the sea

39aph39 algae algaecovered avifauna beach beak bird blue clear coast coastal costeiro crystal ecosystem edge environment flight gaivota gull habitat habitats landscape life low mar marine maritime moss natural nature observation ocean oceanography ornithology outdoor perched photography reflection rocha rock rocks rocky scenery seabird seagull shallow shore shoreline stone tide tranquility watching water waters wave white wild wildlife wind