beak bird black bill black crown bright eyed cinnamon cleaning colored coloring colors coloured colouring colours fauna grooming head plumes Heron long white head plumes long yellow legs Nankeen night heron nocturnal nuptial plumes nycticorax caledonicus omnivore omnivorous plumes preening rufous night heron secretive sharp sharp eyed shy stocky waterbird widespread wildlife backdrop cloth clothes clothing color colour cotton decoration decorative drapery lines material multicolored multicoloured pastel sew sewing shawl soft stripes structure structures tailor vertical warm wear blue cloud clouds conditions fine formations light shapes skies sky southern streaky sun textures thin vaporish vapourish variations various cloud formations weather white wispy