Ключевые слова: affectionate, animal, avian, beak, beautiful, beauty, bill, biology, bird, blue, crest, curved, cygnus, elegance, feather, grace, graceful, horizontal, lake, landscape, level, love, majestic, middle, mirrored, mother, mute, nature, neck, olor, outdoor, peaceful, pen, picture, playing, protecting, pure, reflection, romance, sleeping, softness, swan, swim, swimming, tranquility, water, waving, wildlife, wing,