DCHP-1 Online
pork duck 
the common goldeneye, Bucephala clangula.
- 1907 The French-Canadians call this duck the diver and the half-breeds of Hudson Bay the pork duck.
- 1956 Common Goldeneye [is also called] . . . pork duck ("Keewatin"). . . .
- 1907 The French-Canadians call this duck the diver and the half-breeds of Hudson Bay the pork duck.