bird birds fowl gaivotas gull gulls Lari Laridae Larus mew sea gull seabirds seagull waterfowl wilderness wildlife Armeria beak coastline Great Britain herring Larus argentatus natural nature Pembrokeshire sea thrift united kingdom wales welsh coast coastal England eye feathers feet foot herring gull kent shore Cornish cornwall english european plumage port seabird water blue background clear sky flight flying fresh gliding kelp gull pacific gull peaceful relax stress-free summer sunny wing span aggressive Australian chroicocephalus novaehollandiae common gray and white grey and white Larus novaehollandiae Noisy prolific resting river river's edge riverside sand scavengers screeching seagulls sepia silver gull standing wading waiting watching cascading chroicocephalus-novaehollandiae city colors colours cool cooling edge edges edging flow flowing fountain gray-and-white grey-and-white Larus-novaehollandiae levels light multi-level reflecting ripples rippling silver-gull splashing waterbirds breeze feathered huddled path pavement paving river's-edge ruffled ruffling wind anas-superciliosa aquatic-birds bank black-eye-stripe brown-duck color colour differences diversity ducks fauna grass grassy grey-duck harmonious harmony lake lakeside non-threatening not-threatened Pacific-black-duck quiet relaxed relaxing shadows slope sunlight sunshine together widespread wild-ducks wild-life