snowy egret, egretta thula , perched, la pampa province,

argentina ardea alba egret egreta egretta thula great white pampa nature pampas pantanal patagonia shorebird snowy heron aquatic bird avian behaviour nesting song birding trip birds photography birdwatching brazil bubulcus ibis cattle dangerous environment lagoon latin america nest ornithology protected area south wetland wetlens wild animal wildlife wtland