Science Fair Project Encyclopedia
Shelduck
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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
- Ruddy Shelduck Tadorna ferruginea
- Cape Shelduck Tadorna cana
- Australian Shelduck Tadorna tadornoides
- Paradise Shelduck Tadorna variegata
- Crested Shelduck Tadorna cristata
- Common Shelduck Tadorna tadorna
- Radjah Shelduck Tadorna radjah
- Lophonetta, Crested Duck
- Tachyeres steamer ducks
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details