Ключевые слова: animal, aviary, biology, bird, birds, born, brood, chick, chicks, dry, dungeon, egg, eggs, fauna, first floor, grass, house, image, isolated, life, little ones, natural, nature, nest, nests, objects, ornithological, ornithology, photo, real, reproduction, revival, seasonal, singing, spring, study, three, thrush, to breed, volatile, white, wild, window, zoological, zoology,