Australian banded beautiful beauty birds chestnut colored colorful colors coloured colourful colours decorative dendrocygna-eytoni distinct distinctive duck elegant eyes Eyton's-plumed-duck feathers grass-whistle-duck grazers handsome land-feeders long-necked monkey-duck mottled-beak mottled-bill native nature outstanding pair paired plumage plumed prominent-lanceolate-plumes red-legged-tree-duck red-legged-whistler standing tall tree-duck waterbird whistling whistling-tree-duck wild wildlife camouflaged