Central Taxonomic Thesaurus

Taxon Search
Organism
  Animalia
      Chordata
        Vertebrata
          Amniota
            Aves
                    Anseriformes
                            Anatidae
                                     Anas
                                             Anas andium
                                             Anas bahamensis
                                             Anas flavirostris
                                             Anas georgica
                                     Cairina
                                             Cairina moschata
                                     Dendrocygna
                                             Dendrocygna autumnalis
                                             Dendrocygna bicolor
                                     Merganetta
                                             Merganetta armata
                                     Sarkidiornis
                                             Sarkidiornis melanotos
                                             Sarkidiornis sylvicola
                                     Spatula
                                             Spatula cyanoptera
                                               Spatula cyanoptera cyanoptera
                                                     [Anas cyanoptera]
                                             Spatula discors
                                                   [Anas discors]