Ключевые слова: adults, animal, avian, beak, bird, birds, blue, bosham, bost, cygnus, environment, feather, feathered, female, harbour, horizontal, houses, inlet, lots, male, mute, nature, neck, nobody, olor, ornithology, outdoors, plumage, reflection, ripple, sea, sign, sky, sunlit, sunshine, sussex, swan, swans, swim, swimming, water, waterfowl, white, wild, wildlife, winter,