Geronticus coerulescens (Vieillot, 1817) Dataset GBIF Backbone Taxonomy Rank SPECIES Classification kingdom Animalia phylum Chordata class Aves order Pelecaniformes family Threskiornithidae genus Theristicus species Theristicus caerulescens Name Homonyms Geronticus coerulescens (Vieillot, 1817)