Ключевые слова: animal, beak, bird, birds, birdwatching, black, blue, corvid, corvidae, edge, eurasian, europe, european, feather, feathers, forest, fountain, garden, garrulus, garrulus glandarius, green, jay, jaybird, jays, jump, leaves, nature, ornithology, outdoor, park, perched, sitting, switzerland, tree, water, white, wildlife, wing, wood,