Ключевые слова: animal, background, beak, bird, black, black crow, blue, caw, color, common, common raven, concept, corax, corvid, corvus, corvus corax, croak, crow, cruel, europe, evil, feather, halloween, life, nature, northern, northern raven, ornithology, passerine, passerine bird, plumage, portrait, raven, wicked, wild, wildlife, witch,