bird duck reflection shelduck water wildfowl appearance aquatic-bird Australian Australian-shelduck chestnut-breasted-shelduck chestnut-coloured-shelduck color coloring colour colouring dark fairly-large farm-bird fowl goose-like-birds mountain-duck paddle paddling park pied-waterfowl pond poultry public reflecting ripples rippling swimming tadorna-tadornoides urban water-bird water-fowl white white-eye-circle (female) white-neck-collars widespread wild wild-duck wildlife flying wings