Ключевые слова: animal, animals, avian species, beak, bird, bird closeup, bird enclosure, bird in zoo, bird photography, birds, birdwatching, brown duck, captive animal, closeup duck, colorful beak, diving duck, duck, duck resting, duck species, exotic bird, farm, feather, feathers, ferruginous duck, fowl, freshwater bird, geese, goose, grassland bird, green grass, isolated, mallard, migratory birds, nature, nature conservation, observing birds, protected species, shelduck, standing duck, waterfowl, wetland bird, wild, wild bird, wild bird in captivity, wildfowl, wildlife, wildlife photography, zoo habitat,