Kingdom [Animalia] Linnaeus, 1758 - animals
  
 Subkingdom Metazoa Haeckel, 1874
 see Kingdom Animalia Linnaeus, 1758
    
 Division Eumetazoa Butschli, 1910
 see Subkingdom Eumetazoa Butschli, 1910
      
 Subdivision Bilateralia
        
 Phylum Chordata Bateson, 1885 - chordates
          
 Subphylum Vertebrata Cuvier, 1812 - vertebrates
 see Infraphylum Vertebrata Lamarck, 1801
            
 Class Aves Linnaeus, 1758 - birds
 see Subclass Aves Linnaeus, 1758
              
 Subclass Neornithes Gadow, 1893
 see Clade Neornithes Gadow, 1893
                
 Order Falconiformes Sharpe, 1874
                  
 Family Accipitridae Vieillot, 1816 - secretary bird, osprey, kites, hawks and eagles
                    
 Subfamily Buteoninae Vigors - buzzards & eagles
 see Subfamily Accipitrinae Vieillot, 1816
                      
 Genus Buteogallus Lesson, 1830
                        
 1 Buteogallus urubitinga (Gmelin, 1788) - great black-hawk
                        
 2 Buteogallus anthracinus (Deppe, 1830) - common black-hawk
                        
 3 Buteogallus aequinoctialis (Gmelin, 1788) - rufous crab-hawk