Great skua (Stercorarius skua) wing feather detail with water droplets, Shetland Isles, Scotland, UK, July  ,  2020VISION, abstracts, BIRDS, CLOSE-UPS, COASTAL-WATERS, DETAILS, DEW, eco tourism, ecotourism, EUROPE, FEATHERS, SCOTLAND, SEABIRDS, seas, SKUAS, Stercorarius skua, UK, VERTEBRATES, WINGS,United Kingdom  ,  Peter Cairns / 2020VISION