 Neornithes Gadow, 1893 - living birds
 Neornithes Gadow, 1893 - living birds
   Neognathae Pycraft 1900
 see Cohort Neognathae Pycraft, 1900
 Neognathae Pycraft 1900
 see Cohort Neognathae Pycraft, 1900
     Neoaves Sibley et al. 1988
 see Subcohort Neoaves Sibley et al., 1988
 Neoaves Sibley et al. 1988
 see Subcohort Neoaves Sibley et al., 1988
       [Order] Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
 [Order] Charadriiformes Huxley, 1867 - shorebirds, gulls, auks
         Family Laridae Vigors, 1825 - gulls, terns and skimmers
 Family Laridae Vigors, 1825 - gulls, terns and skimmers
           Subfamily Larinae Vigors, 1825 - gulls
 Subfamily Larinae Vigors, 1825 - gulls
             Genus Larus Linnaeus, 1758
 Genus Larus Linnaeus, 1758
               01 Larus pacificus Latham, 1802 - Pacific gull
 01 Larus pacificus Latham, 1802 - Pacific gull
               02 Larus belcheri Vigors, 1829 - band-tailed gull
 02 Larus belcheri Vigors, 1829 - band-tailed gull
               03 Larus atlanticus Olrog, 1958 - Olrog's gull
 03 Larus atlanticus Olrog, 1958 - Olrog's gull
               04 Larus crassirostris Vieillot, 1818 - black-tailed gull
 04 Larus crassirostris Vieillot, 1818 - black-tailed gull
               05 Larus modestus Tschudi, 1843 - grey gull
 05 Larus modestus Tschudi, 1843 - grey gull
               06 Larus heermanni Cassin, 1852 - Heermann's gull
 06 Larus heermanni Cassin, 1852 - Heermann's gull
               07 Larus leucophthalmus Temminck, 1825 - white-eyed gull
 07 Larus leucophthalmus Temminck, 1825 - white-eyed gull
               08 Larus hemprichii Bruch, 1853 - sooty gull
 08 Larus hemprichii Bruch, 1853 - sooty gull
               09 Larus canus Linnaeus, 1758 - mew gull
 09 Larus canus Linnaeus, 1758 - mew gull
               10 Larus audouinii Payraudeau, 1826 - Audouin's gull
 10 Larus audouinii Payraudeau, 1826 - Audouin's gull
               11 Larus delawarensis Ord, 1815 - ring-billed gull
 11 Larus delawarensis Ord, 1815 - ring-billed gull
               12 Larus californicus Lawrence, 1854 - California gull
 12 Larus californicus Lawrence, 1854 - California gull
               13 Larus marinus Linnaeus, 1758 - great black-backed gull
 13 Larus marinus Linnaeus, 1758 - great black-backed gull
               14 Larus dominicanus Lichtenstein, 1823 - kelp gull
 14 Larus dominicanus Lichtenstein, 1823 - kelp gull
               15 Larus glaucescens Naumann, 1840 - glaucous-winged gull
 15 Larus glaucescens Naumann, 1840 - glaucous-winged gull
               16 Larus occidentalis Audubon, 1839 - western gull
 16 Larus occidentalis Audubon, 1839 - western gull
               17 Larus livens Dwight, 1919 - yellow-footed gull
 17 Larus livens Dwight, 1919 - yellow-footed gull
               18 Larus hyperboreus Gunnerus, 1767 - glaucous gull
 18 Larus hyperboreus Gunnerus, 1767 - glaucous gull
               19 Larus glaucoides Meyer, 1822 - Iceland gull
 19 Larus glaucoides Meyer, 1822 - Iceland gull
               20 Larus thayeri Brooks, 1915 - Thayer's gull
 20 Larus thayeri Brooks, 1915 - Thayer's gull
               21 Larus argentatus Pontoppidan, 1763 - herring gull
 21 Larus argentatus Pontoppidan, 1763 - herring gull
               22 Larus cachinnans Pallas, 1811 - yellow-legged gull
 22 Larus cachinnans Pallas, 1811 - yellow-legged gull
               23 Larus armenicus Buturlin, 1934 - Armenian gull
 23 Larus armenicus Buturlin, 1934 - Armenian gull
               24 Larus schistisagus Stejneger, 1884 - slaty-backed gull
 24 Larus schistisagus Stejneger, 1884 - slaty-backed gull
               25 Larus fuscus Linnaeus, 1758 - lesser black-backed gull
 25 Larus fuscus Linnaeus, 1758 - lesser black-backed gull
               26 Larus ichthyaetus Pallas, 1773 - great black-headed gull
 26 Larus ichthyaetus Pallas, 1773 - great black-headed gull
               27 Larus brunnicephalus Jerdon, 1840 - brown-headed gull
 27 Larus brunnicephalus Jerdon, 1840 - brown-headed gull
               28 Larus cirrocephalus Vieillot, 1818 - grey-headed gull
 28 Larus cirrocephalus Vieillot, 1818 - grey-headed gull
               29 Larus hartlaubii Bruch, 1853 - king gull
 29 Larus hartlaubii Bruch, 1853 - king gull
               30 Larus novaehollandiae Stephens, 1826 - silver gull
 30 Larus novaehollandiae Stephens, 1826 - silver gull
               31 Larus bulleri Hutton, 1871 - black-billed gull
 31 Larus bulleri Hutton, 1871 - black-billed gull
               32 Larus maculipennis Lichtenstein, 1823 - brown-hooded gull
 32 Larus maculipennis Lichtenstein, 1823 - brown-hooded gull
               33 Larus ridibundus Linnaeus, 1766 - common black-headed gull
 33 Larus ridibundus Linnaeus, 1766 - common black-headed gull
               34 Larus genei Breme, 1839 - slender-billed gull
 34 Larus genei Breme, 1839 - slender-billed gull
               35 Larus philadelphia (Ord, 1815) - Bonaparte's gull
 35 Larus philadelphia (Ord, 1815) - Bonaparte's gull
               36 Larus saundersi (Swinhoe, 1871) - Saunders's gull
 36 Larus saundersi (Swinhoe, 1871) - Saunders's gull
               37 Larus serranus Tschudi, 1844 - Andean gull
 37 Larus serranus Tschudi, 1844 - Andean gull
               38 Larus melanocephalus Temminck, 1820 - Mediterranean gull
 38 Larus melanocephalus Temminck, 1820 - Mediterranean gull
               39 Larus relictus Lönnberg, 1931 - relict gull
 39 Larus relictus Lönnberg, 1931 - relict gull
               40 Larus fuliginosus Gould, 1841 - lava gull
 40 Larus fuliginosus Gould, 1841 - lava gull
               41 Larus atricilla Linnaeus, 1758 - laughing gull
 41 Larus atricilla Linnaeus, 1758 - laughing gull
               42 Larus pipixcan Wagler, 1831 - Franklin's gull
 42 Larus pipixcan Wagler, 1831 - Franklin's gull
               43 Larus minutus Pallas, 1776 - little gull
 43 Larus minutus Pallas, 1776 - little gull