Ключевые слова: alberta, animal, avian, banff, beady, beak, bird, black, blackbird, canada, corax, corvus, crow, dirt, environment, feather, gravel, hitchcock, mischief, mystery, national, nature, outdoors, park, perching, profile, raven, resting, rock, rook, scary, scavenging, scrutiny, sinister, standing, watchful, watching, wild, wildlife, witch, witchcraft,