Imperium naturæ C. Linnaeus, 1758 - nature
   Mundus Plinius - physical world
     naturalia - natural bodies
       Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
         Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
           Order Accipitres Linnaeus, 1758 see Suborder Accipitres (C. Linnaeus, 1758)
             Genus Vultur Linnaeus, 1758
               1 Vultur gryphus Linnaeus, 1758 - Andean condor
               2 Vultur harpyja Linnaeus, 1758 see Harpia harpyja (Linnaeus, 1758)
               3 Vultur papa Linnaeus, 1758 see Sarcoramphus papa (Linnaeus, 1758)
               4 Vultur aura Linnaeus, 1758 see Cathartes aura (Linnaeus, 1758)
               5 Vultur barbatus Linnaeus, 1758 see Gypaetus barbatus (Linnaeus, 1758)
               6 Vultur perenopterus Linnaeus, 1758 see Neophron percnopterus (Linnaeus, 1758)