The Crested Shelduck or Korean Crested Shelduck (Tadorna cristata) is (or was) a shelduck, a group of large goose-like birds which are part of the bird family Anatidae, which also includes the swans, geese and ducks. The Anatidae article should be referred to for an overview of this group of birds. Scientific classification or biological classification is how biologists group and categorize extinct and living species of organisms. ... Phyla Porifera (sponges) Ctenophora (comb jellies) Cnidaria Placozoa Subregnum Bilateria  Acoelomorpha  Orthonectida  Rhombozoa  Myxozoa  Superphylum Deuterostomia     Chordata (vertebrates, etc. ... Typical Classes Subphylum Urochordata - Tunicates Ascideiacea Thaliacea Larvacea Subphylum Cephalochordata - Lancelets Subphylum Myxini - Hagfishes Subphylum Vertebrata - Vertebrates Petromyzontida - Lampreys Placodermi (extinct) Chondrichthyes - Cartilaginous fishes Acanthodii (extinct) Actinopterygii - Ray-finned fishes Actinistia - Coelacanths Dipnoi - Lungfishes Amphibia - Amphibians Reptilia - Reptiles Aves - Birds Mammalia - Mammals Chordates (phylum Chordata) include the vertebrates, together with... Orders Many - see section below. ... Families  Anhimidae  Anseranatidae  Anatidae The order Anseriformes contains about 150 species of bird in three families: the Anhimidae (the screamers), Anseranatidae (the Magpie Goose), and the Anatidae, which includes over 140 species of waterfowl, among them the ducks, geese, and swans. ... Subfamilies Dendrocygninae Thalassorninae Anserinae Stictonettinae Plectropterinae Tadorninae Anatinae Merginae Oxyurinae Anatidae is the biological family that includes the ducks and most duck-like waterfowl, such as geese and swan. ... Species See text. ... In biology, binomial nomenclature is a standard convention used for naming species. ... Nagamichi Kuroda (1889 - 1978) was a Japanese ornithologist. ... 1917 was a common year starting on Monday (see link for calendar). ... Species Tadorna ferruginea Tadorna cana Tadorna tadornoides Tadorna variegata Tadorna cristata Tadorna tadorna Tadorna radjah The Shelducks, genus Tadorna, are a group of large birds in the Tadorninae subfamily of the Anatidae, the biological family that includes the ducks and most duck-like waterfowl such as the geese and swans. ... Subfamilies Dendrocygninae Thalassorninae Anserinae Stictonettinae Plectropterinae Tadorninae Anatinae Merginae Oxyurinae Anatidae is the biological family that includes the ducks and most duck-like waterfowl, such as geese and swan. ... Genera Cygnus Coscoroba Swans are large water birds of the family Anatidae, which also includes geese and ducks. ... Other uses: Goose (disambiguation) Genera Anser Branta Chen Cereopsis † see also: Swan, Duck Anatidae Goose (plural geese) is the general English name for a considerable number of birds, belonging to the family Anatidae. ... Subfamilies Dendrocygninae Oxyurinae Anatinae Merginae Drake Mallard Duck is the common name for a number of species in the Anatidae bird family. ... Subfamilies Dendrocygninae Thalassorninae Anserinae Stictonettinae Plectropterinae Tadorninae Anatinae Merginae Oxyurinae Anatidae is the biological family that includes the ducks and most duck-like waterfowl, such as geese and swan. ... Orders Many - see section below. ...

Very little is known about this bird, which apparently bred in Korea and eastern Russia. Only one specimen of the male has ever been collected, and is now in the Kuroda collection at Tokyo. It is now widely thought to be extinct, although occasional sightings are reported, the latest in 1985. Orders Many - see section below. ... For other places called Korea, see: Korea (disambiguation) Korea (한국/韓國, 조선/朝鮮) is a formerly unified country, situated on the Korean Peninsula in northern East Asia, bordering on China to the northwest and Russia to the north. ... The modern skyline of Tokyo is highly decentralized. ...

External link

• BirdLife International: Crested Shelduck