Ключевые слова: alone, animal, background, beak, beautiful, bird, birdwatching, black, bright, closeup, common, corax, corvus, crow, crows, dark, ecology, eurasian, europe, eye, fauna, feather, flight, flying, france, germany, green, iridescent, isolated, japan, life, looking, national, natural, nature, netherlands, one, ornithology, outdoor, park, plumage, portrait, raven, sky, spain, white, wild, wildlife, wing, wings,