Ключевые слова: bark, beak, birch, birch tree, bird, bird nest, breeding, broodiness, brooding, deciduous, eurasian nuthatch, fauna, forest, habitat, hole, looking out, natural, nature, nest, nesting, nuthatch, one, outdoors, passerine, peaceful, scandinavia, scenic, season, sit, sits, sitta europaea, sitting, sky, small, spring, springtime, sweden, tiny, tree, tree trunk, trees, trunk, wild, wilderness, wildlife, wood, wood nuthatch, woodland, woods,