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 [Columbiformes] Latham, 1790 - pigeons and allies
         Family Columbidae Illiger, 1811 - doves, pigeons
           Subfamily Treroninae
             Genus Ducula Hodgson, 1836
               01 Ducula poliocephala (Gray, 1844) - pink-bellied imperial-pigeon
               02 Ducula forsteni (Bonaparte, 1854) - white-bellied imperial-pigeon
               03 Ducula mindorensis (Whitehead, 1896) - Mindoro imperial-pigeon
               04 Ducula radiata (Quoy & Gaimard, 1830) - grey-headed imperial-pigeon
               05 Ducula carola (Bonaparte, 1854) - spotted imperial-pigeon
               06 Ducula aenea (Linnaeus, 1766) - green imperial-pigeon
               07 Ducula perspicillata (Temminck, 1824) - white-eyed imperial-pigeon
               08 Ducula concinna (Wallace, 1865) - elegant imperial-pigeon
               09 Ducula pacifica (Gmelin, 1789) - Pacific imperial-pigeon
               10 Ducula oceanica (Lesson & Garnot, 1826) - Micronesian imperial-pigeon
               11 Ducula aurorae (Peale, 1848) - Polynesian imperial-pigeon
               12 Ducula galeata (Bonaparte, 1855) - Marquesan imperial-pigeon
               13 Ducula rubricera (Bonaparte, 1854) - red-knobbed imperial-pigeon
               14 Ducula myristicivora (Scopoli, 1786) - spice imperial-pigeon
               15 Ducula rufigaster (Quoy & Gaimard, 1830) - purple-tailed imperial-pigeon
               16 Ducula basilica Bonaparte, 1854 - cinnamon-bellied imperial-pigeon
               17 Ducula finschii (Ramsay, 1882) - Finsch's imperial-pigeon
               18 Ducula chalconota (Salvadori, 1874) - shining imperial-pigeon
               19 Ducula pistrinaria Bonaparte, 1855 - island imperial-pigeon
               20 Ducula rosacea (Temminck, 1836) - pink-headed imperial-pigeon
               21 Ducula whartoni (Sharpe, 1887) - Christmas Island imperial-pigeon
               22 Ducula pickeringii (Cassin, 1854) - grey imperial-pigeon
               23 Ducula latrans (Peale, 1848) - Peale's imperial-pigeon
               24 Ducula brenchleyi (Gray, 1870) - chestnut-bellied imperial-pigeon
               25 Ducula bakeri (Kinnear, 1928) - Baker's imperial-pigeon
               26 Ducula goliath (Gray, 1859) - New Caledonian imperial-pigeon
               27 Ducula pinon (Quoy & Gaimard, 1824) - Pinon imperial-pigeon
               28 Ducula melanochroa (Sclater, 1878) - Bismarck imperial-pigeon
               29 Ducula mullerii (Temminck, 1835) - collared imperial-pigeon
               30 Ducula zoeae (Lesson, 1826) - banded imperial-pigeon
               31 Ducula badia (Raffles, 1822) - mountain imperial-pigeon
               32 Ducula lacernulata (Temminck, 1822) - dark-backed imperial-pigeon
               33 Ducula cineracea (Temminck, 1835) - Timor imperial-pigeon
               34 Ducula bicolor (Scopoli, 1786) - pied imperial-pigeon