Ключевые слова: animal, avian, beak, bill, bird, birdwatching, blue, branch, brown, common, communis, environment, fauna, feather, habitat, natural, nature, ornithology, outdoor, perched, perching, plumage, sitting, sky, small, songbird, spring, sylvia, sylviidae, tree, white, whitethroat, wild, wildlife, zoology,