Class Aves Linnaeus, 1758 - birds
see Subclass Aves Linnaeus, 1758
Subclass Neornithes Gadow, 1893
see Clade Neornithes Gadow, 1893
Infraclass Neoaves Sibley et al., 1988
see Subcohort Neoaves Sibley et al., 1988
Parvclass Passerae
see Superorder Passerimorphae Sibley et al., 1988
Superorder Passerimorphae Sibley et al., 1988
Order Ciconiiformes Bonaparte, 1854
Suborder Ciconii
see Suborder Ciconiae Bonaparte, 1854
Infraorder Falconides Sharpe, 1874
Parvorder Falconida
see Superfamily Falconoidea Vigors, 1824
Family Falconidae Vigors, 1824 - falcons, caracaras
Genus Polyborus Vieillot, 1816, nom. illeg.
see Genus Caracara Merrem, 1826
Polyborus plancus (J.F. Miller, 1777) - crested caracara
see Caracara plancus (Miller, 1777)
1 Polyborus plancus cheriway - crested caracara
see Caracara cheriway (Jacquin, 1784)
2 Polyborus plancus plancusᵀ (J.F. Miller, 1777) - southern caracara
see Caracara plancus (Miller, 1777)