Ardea-picata Australian bird black-winged blue-black carnivores carnivorous crest crested green Heron lakeside long-legged pied-egret Pied-Heron reeds reedy sharp-beaked sharp-bill thin wader wading water water-bird White-headed-Egret yellow-bill yellow-legged Australia colored colors coloured colours egret fauna feathers Pied Egret plumage raised ruffled sleek wading-bird waiting watching wetlands-bird wildlife carnivore egretta-picata pond reflections sharp-eyed