Ключевые слова: animal, avian, background, beak, bill, bird, birdwatching, black, blue, branch, british, brown, garden, german, gray, green, landscape, life, log, natural, nature, netherlands, nuthatch, ornithology, outdoor, perch, portrait, profiles, scandinavian, single, sitta, stripe, tree, upside, wild, wildlife, wood, woodland,