Ключевые слова: adult, aggression, anatidae, animal, anseriformes, bird, common eider, conflict, conservation, female, fight, flight, flock, fullmouth, group, habitat, kandalakshsky reserve, male, male duck, many, mate, mating season, mature animal, multitude, murmansk region, nature, nobody, older, outdoors, pair, preserve, quarrel, russia, scuffle, sea, somateria molissima, water, water fowl, waterfowl, wild, wildlife, wildlife sanctuary, wrangle,