Ключевые слова: animal, beak, bill, bird, black, day, duck, eye, feather, fishpond, floating, lake, level, light, lit, male, mallard, nature, neb, nib, outdoor, pond, pool, reflecting, reflection, rest, resting, river, sleep, sleeping, spring, summer, sun, sunshine, surface, swamp, swimming, water, waterfowl, wave, waves, wild, wildlife, wing, wings,