(Common) Shelduck
Tadorna tadorna

Although it looks more like a goose, it is a member of a group intermediate between geese and ducks, along with the other shelducks and the Egyptian Goose. They can be found on rivers, coastlines and inshore waters all year round.
 

  

1: Radipole Lake RSPB, 26/01/2006.
2-3: Lodmoor RSPB, 16/06/2006.