Australia Australian banded bands beak bill bird colored colorful colors coloured colourful colours curved beak curved bill dusky fauna feeding glossy glossy ibis ibis ibises iridescence iridescent iridescent bronze long down-curved bill metallic sheen pair plegadis falcinellus plumage reedy grass shadows shiny sunlight sunshine waders wading bird wildlife curved-beak curved-bill downcurved-bill farmer's-friend featheed feathers Grasslands insect-eating insectivore insectivorous iridescent-bronze large-waterbird long-down-curved-bill metallic-sheen naked-black-head straw-necked-ibis threskiornis-spinicollis wading-bird water-bird widespread