Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988 see Subcohort Neoaves Sibley et al., 1988
       [Order] Apodiformes Peters, 1940 - swifts
         Family Trochilidae Vigors, 1825 - hummingbirds
           Subfamily Trochilinae Jardine, 1833 - typical hummingbirds
             Genus Amazilia Lesson, 1843
               01 Amazilia chionogaster (Tschudi, 1844) - white-bellied hummingbird
               02 Amazilia viridicauda (Berlepsch, 1883) - green-and-white hummingbird
               03 Amazilia rutila (DeLattre, 1842) - cinnamon hummingbird
               04 Amazilia yucatanensis (Cabot, 1845) - buff-bellied hummingbird
               05 Amazilia tzacatl (De la Llave, 1833) - rufous-tailed hummingbird
               06 Amazilia castaneiventris (Gould, 1856) - chestnut-bellied hummingbird
               07 Amazilia amazilia (Lesson, 1828) - Amazilia hummingbird
               08 Amazilia alticola Gould, 1860
               09 Amazilia leucogaster (J.F. Gmelin, 1788) - plain-bellied emerald
               10 Amazilia versicolor (Vieillot, 1818) - versicolored emerald
               11 Amazilia rondoniae Ruschi, 1982 - Rondônia emerald
               12 Amazilia brevirostris (Lesson, 1829)
               13 Amazilia franciae (Bourcier & Mulsant, 1846) - Andean emerald
               14 Amazilia candida (Bourcier & Mulsant, 1846) - white-bellied emerald
               15 Amazilia cyanocephala (Lesson, 1829) - azure-crowned hummingbird
               16 Amazilia violiceps (Gould, 1859) - violet-crowned hummingbird
               17 Amazilia viridifrons (Elliot, 1871) - green-fronted hummingbird
               18 Amazilia fimbriata (J.F. Gmelin, 1788) - glittering-throated emerald
               19 Amazilia distans Wetmore & Phelps, 1956
               20 Amazilia lactea (Lesson, 1832) - sapphire-spangled emerald
               21 Amazilia amabilis (Gould, 1853) - blue-chested hummingbird
               22 Amazilia rosenbergi (Boucard, 1895) - purple-chested hummingbird
               23 Amazilia boucardi (Mulsant, 1877) - mangrove hummingbird
               24 Amazilia luciae (Lawrence, 1867) - Honduran emerald
               25 Amazilia saucerrottei (DeLattre & Bourcier, 1846) - steely-vented hummingbird
               26 Amazilia cyanifrons (Bourcier, 1843) - indigo-capped hummingbird
               27 ‡Amazilia alfaroana Underwood, 1896
               28 Amazilia edward (DeLattre & Bourcier, 1846) - snowy-breasted hummingbird
               29 Amazilia cyanura Gould, 1859 - blue-tailed hummingbird
               30 Amazilia beryllina (Deppe, 1830) - berylline hummingbird
               31 Amazilia viridigaster (Bourcier, 1843) - green-bellied hummingbird
               32 Amazilia cupreicauda Salvin & Godman, 1884
               33 Amazilia tobaci (J.F. Gmelin, 1788) - copper-rumped hummingbird