Imperium naturae C. Linnaeus, 1758 - nature
   Regnum Animale C. Linnaeus, 1758 - animal kingdom see Kingdom Animalia Linnaeus, 1758
     Class Aves Linnaeus, 1758 - birds see Subclass Aves Linnaeus, 1758
       Order Picae Linnaeus, 1758 see Parvclass Picae (C. Linnaeus, 1758)
         45 Genus Psittacus Linnaeus, 1758
         46 Genus Ramphastos Linnaeus, 1758
         47 Genus Buceros Linnaeus, 1758
         48 Genus Buphaga C. Linnaeus, 1766
         49 Genus Crotophaga Linnaeus, 1758
         50 Genus Corvus Linnaeus, 1758
         51 Genus Coracias Linnaeus, 1758
         52 Genus Oriolus Linnaeus, 1766
         53 Genus Gracula Linnaeus, 1758
         54 Genus Paradisea Linnaeus, 1758 see Genus Paradisaea Linnaeus, 1758
         55 Genus Trogon Brisson, 1760
         56 Genus Bucco Brisson, 1760
         57 Genus Cuculus Linnaeus, 1758
         58 Genus Yunx C. Linnaeus, 1766
         59 Genus Picus Linnaeus, 1758
         60 Genus Sitta Linnaeus, 1758
         61 Genus Todus Brisson, 1760
         61.0 Genus Todos C. Linnaeus, 1766 see Genus Todus Brisson, 1760
         62 Genus Alcedo Linnaeus, 1758 - little kingfisher
         63 Genus Merops Linnaeus, 1758
         64 Genus Upupa Linnaeus, 1758
         65 Genus Certhia Linnaeus, 1758
         66 Genus Trochilus Linnaeus, 1758