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 Cathartidae Lafresnaye, 1839 - New World vultures
             Genus Cathartes Illiger, 1811
               1 Cathartes aura (Linnaeus, 1758) - turkey vulture
               2 Cathartes burrovianus Cassin, 1845 - lesser yellow-headed vulture
               3 Cathartes melambrotus Wetmore, 1964 - greater yellow-headed vulture