Ключевые слова: animal, avian, beak, big, bird, black, branch, claw, close, closeup, common raven, corax, corvus, corvus corax, crow, dark, feather, frost, looking, nature, northern raven, omnivorous, outdoors, perch, perched, perching, plumage, profile, raven, rook, snow, tree, white, wild, wildlife, winter, wood,