Taxon Search
Organism
  Animalia
    Bilateria
     Deuterostomia
      Chordata
        Vertebrata
         Gnathostomata
          Tetrapoda
            Aves
                    Charadriiformes
                           [Alcae]
                           [Charadrii]
                           [Lari]
                           [Turnices]
                           [Turniciformes]
                            Laridae
                                   [Larinae]
                                   [Rynchopinae]
                                   [Sterninae]
                                   [Rynchopidae]
                                    Anous
                                            Anous minutus
                                              Anous minutus americanus
                                              Anous minutus atlanticus
                                              Anous minutus diamesus
                                              Anous minutus marcusi
                                              Anous minutus melanogenys
                                              Anous minutus minutus
                                              Anous minutus worcesteri
                                            Anous stolidus
                                              Anous stolidus galapagensis
                                              Anous stolidus pileatus
                                              Anous stolidus ridgwayi
                                              Anous stolidus stolidus
                                            Anous tenuirostris
                                              Anous tenuirostris melanops
                                              Anous tenuirostris tenuirostris
                                    Chlidonias
                                           [Chilidonias]
                                            Chlidonias albostriatus
                                            Chlidonias hybrida
                                                   [Chlidonias hybridus]
                                              Chlidonias hybrida delalandii
                                              Chlidonias hybrida hybrida
                                              Chlidonias hybrida javanicus
                                            Chlidonias leucopterus
                                                   [Chilidonias leucopterus]
                                            Chlidonias niger
                                                   [Chilidonias niger]
                                              Chlidonias niger niger
                                              Chlidonias niger surinamensis
                                                     [Chilidonias niger surinamensis]
                                    Chroicocephalus
                                            Chroicocephalus brunnicephalus
                                                   [Larus brunnicephalus]
                                            Chroicocephalus bulleri
                                                   [Larus bulleri]
                                            Chroicocephalus cirrocephalus
                                                   [Larus cirrocephalus]
                                              Chroicocephalus cirrocephalus cirrocephalus
                                              Chroicocephalus cirrocephalus poiocephalus
                                            Chroicocephalus genei
                                                   [Larus genei]
                                            Chroicocephalus hartlaubii
                                                   [Larus hartlaubii]
                                            Chroicocephalus maculipennis
                                                   [Larus maculipennis]
                                            Chroicocephalus novaehollandiae
                                                   [Larus novaehollandiae]
                                              Chroicocephalus novaehollandiae forsteri
                                              Chroicocephalus novaehollandiae gunni
                                              Chroicocephalus novaehollandiae novaehollandiae
                                            Chroicocephalus philadelphia
                                                   [Larus philadelphia]
                                            Chroicocephalus ridibundus
                                                   [Larus ridibundus ridibundus]
                                                   [Larus ridibundus]
                                            Chroicocephalus saundersi
                                                   [Larus saundersi]
                                            Chroicocephalus scopulinus
                                                   [Larus scopulinus]
                                            Chroicocephalus serranus
                                                   [Larus serranus]
                                    Creagrus
                                            Creagrus furcatus
                                    Gelochelidon
                                            Gelochelidon nilotica
                                                   [Sterna nilotica]
                                              Gelochelidon nilotica affinis
                                                     [Sterna nilotica affinis]
                                              Gelochelidon nilotica aranea
                                                     [Sterna nilotica aranea]
                                              Gelochelidon nilotica gronvoldi
                                                     [Sterna nilotica groenvoldi]
                                              Gelochelidon nilotica macrotarsa
                                                     [Gelochelidon nilotica cloatesi]
                                                     [Gelochelidon nilotica normani]
                                                     [Sterna nilotica macrotarsa]
                                              Gelochelidon nilotica nilotica
                                                     [Sterna nilotica nilotica]
                                              Gelochelidon nilotica vanrossemi
                                                     [Sterna nilotica vanrossemi]
                                    Gygis
                                            Gygis alba
                                              Gygis alba alba
                                              Gygis alba candida
                                              Gygis alba leucopes
                                              Gygis alba microrhyncha
                                            Gygis alba rothschildi
                                            Gygis microrhyncha
                                    Hydrocoloeus
                                            Hydrocoloeus minutus
                                                   [Larus minutus]
                                    Hydroprogne
                                            Hydroprogne caspia
                                                   [Sterna caspia]
                                    Ichthyaetus
                                            Ichthyaetus audouinii
                                                   [Larus audouinii]
                                            Ichthyaetus hemprichii
                                                   [Larus hemprichii]
                                            Ichthyaetus ichthyaetus
                                                   [Larus ichthyaetus]
                                            Ichthyaetus leucophthalmus
                                                   [Larus leucophthalmus]
                                            Ichthyaetus melanocephalus
                                                   [Larus melanocephalus]
                                            Ichthyaetus relictus
                                                   [Larus relictus]
                                    Larosterna
                                            Larosterna inca
                                    Larus
                                           [Gabianus]
                                            Larus argentatus
                                              Larus argentatus argentatus
                                              Larus argentatus argenteus
                                              Larus argentatus smithsonianus
                                            Larus armenicus
                                            Larus atlanticus
                                            Larus atricilla
                                            Larus belcheri
                                            Larus cachinnans
                                              Larus cachinnans cachinnans
                                            Larus californicus
                                              Larus californicus albertaensis
                                              Larus californicus californicus
                                            Larus canus
                                              Larus canus brachyrhynchus
                                              Larus canus canus
                                              Larus canus heinei
                                              Larus canus kamtschatschensis
                                            Larus crassirostris
                                            Larus delawarensis
                                            Larus dominicanus
                                              Larus dominicanus austrinus
                                              Larus dominicanus dominicanus
                                              Larus dominicanus judithae
                                              Larus dominicanus melisandae
                                              Larus dominicanus vetula
                                            Larus fuscus
                                              Larus fuscus barabensis
                                              Larus fuscus fuscus
                                              Larus fuscus graellsii
                                              Larus fuscus heuglini
                                              Larus fuscus intermedius
                                              Larus fuscus taimyrensis
                                            Larus glaucescens
                                            Larus glaucoides
                                              Larus glaucoides glaucoides
                                              Larus glaucoides kumlieni
                                            Larus heermanni
                                            Larus hyperboreus
                                              Larus hyperboreus barrovianus
                                              Larus hyperboreus hyperboreus
                                              Larus hyperboreus leuceretes
                                              Larus hyperboreus pallidissimus
                                            Larus hyperboreus barroviamus
                                            Larus livens
                                                   [Larus occidentalis livens]
                                            Larus marinus
                                            Larus michahellis
                                              Larus michahellis atlantis
                                              Larus michahellis michahellis
                                            Larus occidentalis
                                              Larus occidentalis occidentalis
                                              Larus occidentalis wymani
                                            Larus pacificus
                                              Larus pacificus georgii
                                              Larus pacificus pacificus
                                            Larus philadelphia
                                            Larus pipixcan
                                            Larus schistisagus
                                            Larus smithsonianus
                                                   [Larus argentatus smithsonianus]
                                            Larus thayeri
                                            Larus vegae
                                                   [Larus argentatus vegae]
                                              Larus vegae mongolicus
                                              Larus vegae vegae
                                    Leucophaeus
                                            Leucophaeus atricilla
                                                   [Larus atricilla]
                                              Leucophaeus atricilla atricilla
                                              Leucophaeus atricilla megalopterus
                                            Leucophaeus fuliginosus
                                                   [Larus fuliginosus]
                                            Leucophaeus modestus
                                                   [Larus modestus]
                                            Leucophaeus pipixcan
                                                   [Larus pipixcan]
                                            Leucophaeus scoresbii
                                                   [Gabianus scoresbii]
                                                   [Gabianus scoresbyi]
                                                   [Larus scoresbii]
                                    Onychoprion
                                            Onychoprion aleuticus
                                                   [Sterna aleutica]
                                            Onychoprion anaethetus
                                                   [Sterna anaethetus]
                                              Onychoprion anaethetus anaethetus
                                              Onychoprion anaethetus antarcticus
                                              Onychoprion anaethetus melanopterus
                                                     [Sterna anaethetus recognita]
                                              Onychoprion anaethetus nelsoni
                                            Onychoprion fuscatus
                                                   [Sterna fuscata]
                                              Onychoprion fuscatus crissalis
                                                     [Sterna fuscata crissalis]
                                              Onychoprion fuscatus fuscatus
                                                     [Sterna fuscata fuscata]
                                              Onychoprion fuscatus kermadeci
                                              Onychoprion fuscatus luctuosus
                                              Onychoprion fuscatus nubilosus
                                              Onychoprion fuscatus oahuensis
                                              Onychoprion fuscatus serratus
                                            Onychoprion lunatus
                                                   [Sterna lunata]
                                    Pagophila
                                            Pagophila eburnea
                                                   [Larus eburnea]
                                                   [Larus eburneus]
                                    Phaetusa
                                            Phaetusa simplex
                                              Phaetusa simplex chloropoda
                                              Phaetusa simplex simplex
                                    Procelsterna
                                            Procelsterna albivitta
                                              Procelsterna albivitta albivitta
                                              Procelsterna albivitta imitatrix
                                              Procelsterna albivitta skottsbergii
                                            Procelsterna cerulea
                                                   [Procelsterna caerulea]
                                              Procelsterna cerulea cerulea
                                              Procelsterna cerulea murphyi
                                              Procelsterna cerulea nebouxi
                                              Procelsterna cerulea saxatilis
                                              Procelsterna cerulea teretirostris
                                    Rhodostethia
                                            Rhodostethia rosea
                                                   [Larus rosea]
                                                   [Larus roseum]
                                    Rissa
                                            Rissa brevirostris
                                                   [Larus brevirostris]
                                            Rissa tridactyla
                                                   [Larus tridactyla pollicaris]
                                                   [Larus tridactyla tridactyla]
                                                   [Larus tridactyla]
                                                   [Larus tridactylus]
                                                   [Rissa tridactyla pollicaris]
                                                   [Rissa tridactyla tridactyla]
                                              Rissa tridactyla pollicaris
                                              Rissa tridactyla tridactyla
                                    Rynchops
                                            Rynchops albicollis
                                            Rynchops flavirostris
                                            Rynchops niger
                                                   [Rynchops nigra]
                                              Rynchops niger cinerascens
                                              Rynchops niger intercedens
                                              Rynchops niger niger
                                    Sterna
                                            Sterna acuticauda
                                            Sterna affinis
                                              Sterna albifrons albifrons
                                              Sterna albifrons browni
                                            Sterna aleutica
                                            Sterna anaethetus
                                            Sterna anaethetus melanoptera
                                            Sterna aranea
                                            Sterna aurantia
                                            Sterna dougalli dougalli
                                            Sterna dougallii
                                              Sterna dougallii arideensis
                                              Sterna dougallii bangsi
                                              Sterna dougallii dougallii
                                              Sterna dougallii gracilis
                                              Sterna dougallii korustes
                                            Sterna elegans
                                            Sterna eurygnatha
                                            Sterna forsteri
                                            Sterna fuscata
                                            Sterna fuscata oahuensis
                                            Sterna hirundinacea
                                            Sterna hirundo
                                              Sterna hirundo hirundo
                                              Sterna hirundo longipennis
                                              Sterna hirundo minussensis
                                              Sterna hirundo tibetana
                                            Sterna lunata
                                            Sterna macrotarsa
                                            Sterna maxima
                                            Sterna paradisaea
                                            Sterna repressa
                                            Sterna striata
                                            Sterna sumatrana
                                              Sterna sumatrana mathewsi
                                              Sterna sumatrana sumatrana
                                            Sterna trudeaui
                                            Sterna virgata
                                              Sterna virgata mercuri
                                              Sterna virgata virgata
                                            Sterna vittata
                                              Sterna vittata bethunei
                                              Sterna vittata gaini
                                              Sterna vittata georgiae
                                              Sterna vittata tristanensis
                                              Sterna vittata vittata
                                    Sternula
                                            Sternula albifrons
                                                   [Sterna albifrons]
                                              Sternula albifrons albifrons
                                                     [Sterna albifrons albifrons]
                                              Sternula albifrons guineae
                                              Sternula albifrons sinensis
                                            Sternula antillarum
                                                   [Sterna antillarum]
                                              Sternula antillarum antillarum
                                                     [Sterna albifrons antillarum]
                                                     [Sterna antillarum antillarum]
                                              Sternula antillarum athalassos
                                                     [Sterna albifrons athalassos]
                                                     [Sterna antillarum athalassos]
                                              Sternula antillarum browni
                                                     [Sterna albifrons browni]
                                                     [Sterna antillarum browni]
                                            Sternula balaenarum
                                                   [Sterna balaenarum]
                                            Sternula lorata
                                                   [Sterna lorata]
                                            Sternula nereis
                                                   [Sterna nereis]
                                              Sternula nereis davisae
                                              Sternula nereis exsul
                                              Sternula nereis nereis
                                            Sternula saundersi
                                                   [Sterna saundersi]
                                            Sternula superciliaris
                                                   [Sterna superciliaris]
                                    Thalasseus
                                            Thalasseus acuflavidus
                                              Thalasseus acuflavidus acuflavidus
                                                     [Sterna sandvicensis acuflavida]
                                                     [Thalasseus sandvicensis acuflavidus]
                                              Thalasseus acuflavidus eurygnatha
                                                     [Sterna sandvicensis eurygnatha]
                                            Thalasseus bengalensis
                                                   [Sterna bengalensis]
                                              Thalasseus bengalensis bengalensis
                                              Thalasseus bengalensis emigratus
                                              Thalasseus bengalensis torresii
                                            Thalasseus bergii
                                                   [Sterna bergii]
                                              Thalasseus bergii bergii
                                              Thalasseus bergii cristatus
                                              Thalasseus bergii enigma
                                              Thalasseus bergii thalassinus
                                              Thalasseus bergii velox
                                            Thalasseus bernsteini
                                                   [Sterna bernsteini]
                                                   [Sterna zimmermanni]
                                            Thalasseus elegans
                                                   [Sterna elegans]
                                            Thalasseus maximus
                                                   [Sterna maxima]
                                                   [Thalasseus maxima]
                                              Thalasseus maximus albididorsalis
                                              Thalasseus maximus maximus
                                                     [Sterna maxima maxima]
                                                     [Thalasseus maxima maxima]
                                            Thalasseus sandvicensis
                                                   [Sterna sandvicensis sandvicensis]
                                                   [Sterna sandvicensis]
                                    Xema
                                            Xema sabini
                                                   [Larus sabini sabina]
                                                   [Larus sabini sabini]
                                                   [Larus sabini woznesenskii]
                                                   [Larus sabini]
                                                   [Xema sabini sabini]
                                                   [Xema sabini woznesenskii]
                                              Xema sabini sabini