Ключевые слова: animal, avian, beautiful, biology, bird, birdsong, black, blackbird, branch, brown, colourful, enviroment, environment, fauna, feather, garden, green, male, nature, ornithology, perched, plumage, singing, sitting, songbird, spring, starling, sturnus, sturnus vulgaris, summer, tree, wild, wild nature photos, wildlife, wing,