NEOAVES
  |
CORONAVES
  |--PELECANAE
  |    |--Opisthocomiformes
  |    |    \--Opisthocomidae (Hoatzin)
  |    |
  |    \--+--+--Otidiiformes
  |       |  \--+--Cuculiformes
  |       |     \--Gruiformes
  |       |
  |       \--+--Musophagiformes
  |          \--AEQUORNITHES
  |              |--Gaviiformes
  |              \--+--+--Sphenisciformes
  |                 |  \--Procellariiformes
  |                 \--+--Ciconiiformes
  |                    \--+--Suliformes
  |                       \--+--Pelecaniformes
  |                          \--Ardeiformes
  |
  \-+--CHARADRIAE
    |    \--Charadriiformes
    |
    \-PASSERAE
       |     
       |--+--+--Cathartiformes
       |  |  |    \--Cathartidae (American Vultures)
       |  |  \--Accipitriformes
       |  |       \--+--Sagittariidae (Secretary-bird)
       |  |          \--+--Pandionidae (Osprey)
       |  |             \--Accipitridae (Kites, Hawks, Eagles)
       |  |
       |  \--‘Core Anomalogonatae’
       |       |--+--Coliiformes
       |       |  \--Strigiformes
       |       \--+--Leptosomiformes
       |          \--+--Trogoniformes
       |             \--+--Bucerotiformes
       |                \--+--Coraciiformes
       |                   \--Piciformes
       |
       \-+--Cariamiformes
         |    \--Cariamidae (Seriemas)
         \-+--Falconiformes
           |    \--Falconidae (Falcons, Caracaras)
           \-+--Psittaciformes
             |    \--+--Strigopidae (New Zealand Parrots)
             |       \--+--Cacatuidae (Cockatoos)
             |          \--Psittacidae (Parrots)
             \--Passeriformes