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 Passeriformes Linnaeus, 1758
             Suborder Tyranni - suboscines
               Infraorder Tyrannides Sibley et al., 1988
                 Parvorder Tyrannida Wetmore & Miller, 1926
                   Family Tyrannidae Vigors, 1825 - tyrant-flycatchers
                     Subfamily Tyranninae see Family Tyrannidae Vigors, 1825
                       Genus Tyrannus Lacépède, 1799
                         01 Tyrannus niveigularis P.L. Sclater, 1860 - snowy-throated kingbird
                         02 Tyrannus albogularis Burmeister, 1856 - white-throated kingbird
                         03 Tyrannus melancholicus Vieillot, 1819 - tropical kingbird
                         04 Tyrannus couchii S.F. Baird, 1858 - Couch's kingbird
                         05 Tyrannus vociferans Swainson, 1826 - Cassin's kingbird
                         06 Tyrannus crassirostris Swainson, 1826 - thick-billed kingbird
                         07 Tyrannus verticalis Say, 1823 - western kingbird
                         08 Tyrannus forficata Gmelin, 1788 - scissor-tailed flycatcher see Tyrannus forficatus (J.F. Gmelin, 1789)
                         09 Tyrannus savana Vieillot, 1808 - fork-tailed flycatcher
                         10 Tyrannus tyrannus (C. Linnaeus, 1758) - eastern kingbird
                         11 Tyrannus dominicensis (J.F. Gmelin, 1788) - grey kingbird
                         12 Tyrannus caudifasciatus d'Orbigny, 1839 - loggerhead kingbird
                         13 Tyrannus cubensis Richmond, 1898 - giant kingbird