Water Rail
Rallus aquaticus
Water Rails are usually very shy birds that rarely come out of reed beds and into the open. However, if the water freezes up where they are, then they can become very bold and move about in the open. Even when hidden, thay can often be identified by their pig-like squeals.
 
  
  
1-3: Radipole Lake RSPB, 26/01/2006.
4: Fleet Pond, 08/02/2006.