Ключевые слова: animal, appeal, avian, background, beak, beautiful, bird, birds, branch, breeding, common nightingale, day, environment, europe, fauna, feather, forest, garden, green, grey, loud, love, luscinia, luscinia luscinia, male, morning, nature, nightingale, passerine, perching, russia, singer, singing, small, soloist, song, songbird, spring, summer, throat, thrush, thrush nightingale, tree, valentine, wild, wildlife, wood,