Phylum Chordata Bateson, 1885 - chordates
   Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
     Subclass Neornithes Gadow, 1893 see Clade Neornithes Gadow, 1893
       Superorder Neognathae Pycraft, 1900 see Cohort Neognathae Pycraft, 1900
         Order Falconiformes Sharpe, 1874
           Family Accipitridae Vieillot, 1816 - secretary bird, osprey, kites, hawks and eagles
             Genus Buteo Lacépède, 1799
               01 Buteo nitidus (Latham, 1790) - gray hawk see Asturina nitida (Latham, 1790)
               02 Buteo magnirostris (Gmelin, 1788) - roadside hawk
               03 Buteo leucorrhous (Quoy & Gaimard, 1824) - white-rumped hawk
               04 Buteo ridgwayi (Cory, 1883) - Ridgway's hawk
               05 Buteo lineatus (Gmelin, 1788) - red-shouldered hawk
               06 Buteo platypterus (Vieillot, 1823) - broad-winged hawk
               07 Buteo brachyurus Vieillot, 1816 - short-tailed hawk
               08 Buteo albigula Philippi, 1899 - white-throated hawk
               09 Buteo swainsonii Bonaparte, 1838 see Buteo swainsoni Bonaparte, 1838
               10 Buteo galapagoensis (Gould, 1837) - Galápagos hawk
               11 Buteo albicaudatus Vieillot, 1816 - white-tailed hawk
               12 Buteo polyosoma (Quoy & Gaimard, 1824) - red-backed hawk
               13 Buteo poecilochrous Gurney, 1879 - Puna hawk
               14 Buteo albonotatus Kaup, 1847 - zone-tailed hawk
               15 Buteo solitarius Peale, 1848 - Hawaiian hawk
               16 Buteo ventralis Gould, 1837 - rufous-tailed hawk
               17 Buteo jamaicensis (Gmelin, 1788) - red-tailed hawk
               18 Buteo buteo (Linnaeus, 1758) - common buzzard
               19 Buteo trizatonus
               20 Buteo brachypterus Hartlaub, 1860 - Madagascar buzzard
               21 Buteo lagopus (Pontoppidan, 1763) - rough-legged hawk
               22 Buteo rufinus (Cretzschmar, 1829) - long-legged buzzard
               23 Buteo hemilasius Temminck & Schlegel, 1844 - upland buzzard
               24 Buteo regalis (Gray, 1844) - ferruginous hawk
               25 Buteo auguralis Salvadori, 1865 - red-necked buzzard
               26 Buteo augur (Rüppell, 1836) - Augur buzzard
               27 Buteo rufofuscus (Forster, 1798) - jackal buzzard