ADULT, ADULTS, AMBIANCE, ANATIDAE, ANATINAE, ANIMAL, ANSERIFORMES, AREA, AS, ASIA, ATMOSPHERE, AVES, BALCAEN, BILATERIA, BIRD, CHILL, CHILLY, CHORDATA, CLAUDE, COELOMATA, COLD, COLDS, CONCERN, DEUTEROSTOMIA, DEVELOPMENT, DUCK, EAST, ENUMERATION, EUKARYOTA, FAR, FISH-EATING, FLAP, FLAPPING, FLAPS, FLIGHT, FLIGHTS, FLUTTER, FLY, FLYING, FRESH-WATER, FRESHWATER, FULL, GLOBAL, GOOSANDER, GOOSANDERS, GROUP, GROUPS, HOKKAIDO, ICE, ICY, IN, INDIVIDUAL, ISLAND, IUCN, JAPAN, KUSSHARO, LAKE, LAKES, LC, LEAST, LENGTH, LIST, LOCOMOTION, LOW, LR, MARCH, MERGANSER, MERGUS, METAZOA, METEOROLOGICAL, MONTH, MOTION, NOBODY, OF, OPISTHOKONTA, OVERVIEW, OVERVIEWS, PALMIPED, PHENOMENON, PROFILE, RED, RISK, SEASON, SEASONS, SHOT, SHOTS, SIDE, SIGHT, SIGHTS, SPECIES, STAGE, TEMPERATE, TETRAPODA, THREATENED, TO, VERTEBRATA, VIEW, VIEWS, WETLAND, WILD, WINGS, WINTER, WITH,