Ключевые слова: action, aquatic, avian, beak, beauty, bird, bond, courtship, crested, dance, display, dive, elegance, eye, feather, float, grace, great, grebes, habitat, interaction, lake, love, mating, motion, movement, nature, neck, ornithology, pair, partner, partnership, plumage, reflection, ripple, romance, spring, surface, swim, synchronized, water, waterfowl, wildlife, wing,