anatidae animal animals background beack bird birds close crown ear eye geese goose head lower nature neck portrait saavem texture UP upper wild backyard beak blue-eyed brown colors colours domesticated feathers feathery orange orange beak tail textures waddle water fowl webbed feet white autumn calm England english Great Britain lake London park pond Regent's Park sunlight tranquil water estate flock home house landscape mansion meadow norfolk rural canada geese colorado dusk eveing lakes mountain range reflections sea summer sunset twilight waters aquatic avian duck ducks feather float ganzo mallard pato swim webbbed feet Adaptation geese and swans peacful sunshine swan water bird waterfowl waves wing Branta canadensis family flotilla group natural