Ключевые слова: aluco, animal, aves, background, beak, betula, bird, birdlife, birdwatching, black, body, british, brown, close, endangered, eurasia, eurasian, eye, fauna, feathers, flight, forest, gray, hunter, image, isolated, moss, nature, night, nightbird, nocturnal, nonmigratory, one, ornithology, owl, portrait, predator, prey, strix, stump, tawny, territorial, tree, wild, wildlife, wings, wood, woodland, woodlands,