Ключевые слова: about, air, alpen, alpine, altitude, animal, area, avifauna, beak, bill, bird, black, blue, chough, claw, clear, cloudless, crow, daw, environment, feather, flies, flight, fly, flying, free, freedom, glide, graculus, height, hover, jackdaw, legs, nature, ornithology, plumage, pyrrhocorax, raven, red, silhouette, sky, space, sunny, sunshine, wild, wildlife, wing, yellow, yellowbilled, zoology,