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 Oreotrochilus Gould, 1847
               1 Oreotrochilus chimborazo (DeLattre & Bourcier, 1846) - Ecuadorian hillstar
               2 Oreotrochilus estella (d'Orbigny & Lafresnaye, 1838) - Andean hillstar
               3 Oreotrochilus leucopleurus Gould, 1847 - white-sided hillstar
               4 Oreotrochilus melanogaster Gould, 1847 - black-breasted hillstar
               5 Oreotrochilus adela (d'Orbigny & Lafresnaye, 1838) - wedge-tailed hillstar