Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900 see Cohort Neognathae Pycraft, 1900
     Galloanserae Sibley, Ahlquist & Monroe Jr., 1988 see Subcohort Galloanserae Sibley, Ahlquist & Monroe Jr., 1988
       [Order] Galliformes Temminck, 1820 - fowl
         phasianoids see Superfamily Phasianoidea Vigors, 1825
           Family Odontophoridae (Gould, 1844) - New World quails see Subfamily Odontophorinae Gould, 1844
             Genus Callipepla Wagler, 1832
               Callipepla gambelii (Gambel, 1843) - Gambel's quail
                 1 Callipepla gambelii gambeliiᵀ (Gambel, 1843)
                 2 Callipepla gambelii fulvipectus Nelson, 1899