adult adults animal animals beach beaches bird birds black-headed britain british brittany chroicocephalus coast coastal copy copy-space copyspace europe european fauna feet foot forage foraging france french German germany great gull gulls Kingdom laridae larus leg legs mud nature normandy north paddle paddling plumage portrait portraits reflection reflections ridibundus sand sandy sea seabird seabirds seagull seagulls space stamp stamping uk United wet wildlife winter wintertime