Shelducks

Radjah Shelduck
Scientific classification
Domain:Eukaryota
Kingdom:Animalia
Phylum:Chordata
Subphylum:Vertebrata
Superclass:Gnathostomata
Class:Aves
Order:Anseriformes
Family:Anatidae
Subfamily:Tadorninae
genus
Tadorna

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).

The shelducks are a group of larger, often semi-terrestrial waterfowl which can be seen as intermediate between geese (Anserinae) and ducks.

There are seven species, related to other groups as shown:

Tadorninae

  • Cyanochen, Blue-winged Goose
  • Chloephaga, sheldgeese
  • Neochen, Orinoco Goose
  • Alopochen, Egyptian Goose
  • Tadorna: shelducks
  • Lophonetta, Crested Duck
  • Tachyeres steamer ducks