Ключевые слова: anas, animal, area, beak, bill, bird, blue, breed, building, city, dabbling, domesticated, duck, feathers, flock, fly, grass, green, ground, group, lawn, legs, looking, male, nature, nonmigratory, outside, pavement, plant, platyrhynchos, profile, road, sidewalk, sideways, small, social, species, speculum, street, through, urban, water, waterfowl, wetlands, wild, wings, yellowishorange,