Ключевые слова: animal, animals, background, behavior, behaviour, bird, birdwatching, call, calling, closeup, environment, eurasian wren, grass, habitat, isolated, little, moss, nature, outdoor, outdoors, passerine, perched, perching, portrait, rock, rocks, scottish, shetland, shetland islands, shetland wren, shetlands, singing, small, spring, stone, summer, sunny, troglodytes troglodytes zetlandicus, uk, wild, wildlife, wren,