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