Ключевые слова: baltic, bay, bird, birdwatching, blue, boat, duck, ecology, europe, evening, flight, flock, industry, lagoon, long, longtailed duck, marine, natural, nautical, navigate, ocean, oldsquaw, open, ornithology, outdoor, people, rescue, sea, search, service, ship, shipping, sky, small, transport, transportation, travel, trip, vessel, view, vistula, watching, water, wild, wildlife,