Ключевые слова: animal, autumn, avian, bark, beak, bird, birdwatching, branch, brhlik, brhlik lesni, brown, claws, closeup, common, czech republic, detailed, ecology, ecosystem, environment, eurasian nuthatch, european, eyes, fauna, feathers, forest, green, grey, habitat, macro, moss, natural, nature, nuthatch, observation, ornithology, outdoor, passerine, perch, perching, sitta, sitta europaea, small, songbird, tree, wild, wildlife, wings, woodland,