Flock of Sanderling (Calidris alba) feeding on mudflats in winter, Morecambe Bay, Cumbria, England, UK, February  ,  ATMOSPHERIC,BIRDS,CLOUDS,COASTS,DAWN,EUROPE,GROUPS,MUDFLATS,SALTMARSHES,SKIES,SKY,TWILIGHT,WADERS,2020VISION,BLUE,DUSK,ENGLAND,FLOCKS,LANDSCAPES,SANDPIPERS,TIME EXPOSURE,UK,VERTEBRATES,Weather,United Kingdom  ,  Peter Cairns / 2020VISION