AVES
  |
NEORNITHES
  |
  |-PALEOGNATHS
  |   \--+--Struthioniformes
  |      \--+--+--Rheiformes
  |         |  \-+--Casuariiformes
  |         |    \--Apterygiformes
  |         \--Tinamiformes
  |
  \-NEOGNATHS
     |--GALLOANSERAE
     |    |--Anseriformes
     |    \--Galliformes
     |
     \-NEOAVES
        |--COLUMBEA
        |    \--+--+--Phoenicopteriformes
        |       |  \--Podicipediformes
        |       \--+--+--Mesitornithiformes
        |          |  \--Pterocliformes
        |          \--Columbiformes
        |
        \-PASSEREA
            |--OTIDAE
            |    \--+--+--Musophagiformes
            |       |  |  \--Otidiiformes
            |       |  \--+--Cuculiformes
            |       |
            |       \--STRISORES
            |            |--+--Steatornithiformes 
            |            |  \--Nyctibiiformes
            |            \--+--Podargiformes
            |               \--+--Caprimulgiformes
            |                  \--Apodiformes
            |
            \-+--GRUAE
              |    \--+--Opisthocomiformes
              |       \--+--Gruiformes
              |          \--CHARADRIAE (Charadriiformes)
              |
              \-+--ARDEAE
                |    \--+--Eurypygiformes
                |    |  \--Phaethontiformes
                |    |
                |    \--AEQUORNITHES
                |         |--Gaviiformes
                |         \--+--+--Sphenisciformes
                |            |  \--Procellariiformes
                |            \--+--?Ciconiiformes
                |               |--+--Suliformes
                |               \--+---Plataleiformes
                |                  \--+--Pelecaniformes
                |                     \--Ardeiformes
                |
                \--TELLURAVES
                     |--AFROAVES
                     |    \--+--+--Cathartiformes
                     |       |  \--Accipitriformes
                     |       \--+--Strigiformes
                     |          \--+--Coliiformes
                     |             \--+--Leptosomiformes
                     |                \--+--Trogoniformes
                     |                   \--+--Bucerotiformes
                     |                      \--+--Coraciiformes
                     |                         \--Piciformes
                     |
                     \--AUSTRALAVES
                          \--+--Cariamiformes
                             \--+--Falconiformes
                                \--+--Psittaciformes
                                   \--Passeriformes