ADULT, ADULTS, ALONE, AMBIANCE, ANATIDAE, ANIMAL, ANSER, ANSERIFORMES, ANSERINAE, AREA, AREAS, ARTIFICIAL, AS, ATMOSPHERE, AVES, BILATERIA, BIRD, BREUER, CHILL, CHILLY, CHORDATA, COELOMATA, COLD, COLDS, CONCERN, DAY, DAYS, DAYTIME, DEUTEROSTOMIA, DEVELOPMENT, ECOSYSTEM, ECOSYSTEMS, ENUMERATION, EUKARYOTA, EUROPE, EUROPEAN, FEBRUARY, FEDERAL, FLAP, FLAPPING, FLAPS, FLIGHT, FLIGHTS, FLUTTER, FLY, FLYING, FRESHWATER, FROZEN, FULL, GERMANY, GLOBAL, GOOSE, GREYLAG, HESSE, ICE, ICY, IN, INDIVIDUAL, IUCN, LAKE, LC, LEAST, LENGTH, LIST, LOCOMOTION, LONE, LONELY, LOW, LR, MARCH, METAZOA, METEOROLOGICAL, MIGRATORY, MONTH, MOTION, NATURAL, NATURALNESS, NATURE, NOBODY, OF, ON, ONE, ONLY, OPISTHOKONTA, OVERVIEW, OVERVIEWS, PALMIPED, PARTICULARITY, PHENOMENON, POND, PONDS, POSE, POSED, POSING, PROFILE, RED, RISK, SEASON, SEASONS, SETTLING, SETTLINGS, SHOT, SHOTS, SIDE, SIGHT, SIGHTS, SINGLE, SOLO, SPECIES, STAGE, STATE, TEMPERATE, TETRAPODA, THREATENED, TO, UNION, VERTEBRATA, VIEW, VIEWS, WETLAND, WILD, WILDLIFE, WINGS, WINTER, WITH,