Ключевые слова: avian, bird, bird watching, black, color, colour, common, common raven, corvid, corvus, corvus corax, creature, focus on foreground, natural, nature, northern, northern raven, omnivore, omnivorous, one, ornithology, outdoor, outdoors, passerine, perched, perched bird, perching, perching bird, raven, scavenger, selective focus, uk, united kingdom, wild, wildlife, wildlife photography,