Buteogallus anthracinus utilensis Twomey, 1956 Dataset GBIF Backbone Taxonomy Rank SUBSPECIES Classification kingdom Animalia phylum Chordata class Aves order Accipitriformes family Accipitridae genus Buteogallus species Buteogallus anthracinus Name Homonyms Buteogallus anthracinus utilensis Twomey, 1956