Ключевые слова: animal, animals, australian coot, biodiversity, color, colors, colour, common carp, common carps, common coot, cyprinus carpio, dabbling duck, dabbling ducks, duck, ducks, eurasian carps, eurasian coot, eurasian wigeons, european carps, european wigeons, fauna, feed, feeding, fish, fishes, flock, fulica atra, japan, lake, lake yamanako, mareca penelope, nature, species, surface, vertebrate, vertebrates, water, waterbird, waterbirds, waterfowl, wetland, widgeon, widgeons, wigeon, wigeons, wildlife,