Ключевые слова: america, animal, avian, background, beak, bird, birdwatching, black, branch, canada, closeup, common, common raven, corax, corvidae, corvus, corvus corax, crow, dark, europe, fauna, feather, flight, forest, halloween, isolated, large, largest, looking, nature, north, northern, ornithology, outdoor, outdoors, park, perch, perched, perching, portrait, raven, russia, scandinavia, scavenger, sitting, wild, wildlife, wing,