Subclass Avialae Gauthier, 1986
see Clade Avialae Gauthier 1986
Count: [o] 31o;113f; ‡2o;6f; †11o;14f
Infraclass Aves Linnaeus, 1758
see Subclass Aves Linnaeus, 1758
Count: [o] 31o;113f; ‡2o;6f; †11o;14f
Parvclass Neornithes Gadow, 1893
see Subclass Neornithes Gadow, 1893
Count: [o] 31o;113f; ‡2o;6f; †4o;7f
Cohort Neognathae Pycraft, 1900
Count: [o] 27o;107f; ‡3f; †4o;7f
Subcohort Neoaves Sibley et al., 1988
Count: [o] 25o;99f; ‡2f; †2o;4f
Division Terrestrornithes B.C. Livezey & R.L. Zusi, 2007
Count: [o] 17o;78f; ‡2f; †1o;3f
Subdivision Dendrornithes Verheyen, 1961
Count: [o] 13o;50f; ‡1f; †1o;1f
Section Raptores Baird, 1858
Count: [f] 2o;7f
Superorder Falconimorphae Seebohm, 1890
Count: [f] 2o;7f
Order Strigiformes Wagler, 1830 - owls
Count: [f] 2f
1 Family Tytonidae Mathews, 1912 - barn owls
Count: -
2 Family Strigidae Vigors, 1825 - owls
Count: -