Common Merganser

Steve Forman photographed a bald eagle, a bufflehead, and a common merganser at the Sudbury Reservoir in Southborough.

Steve Forman photographed this common merganser at the Sudbury Reservoir in Southborough.

Nancy Wright photographed an American black duck, a mallard, common mergansers, and a gadwall on Lake Chauncy in Westborough.

Gail Sartori photographed these common mergansers in Acton.

Sue Feldberg photographed an American coot and a common merganser at Hager Pond in Marlborough.

Common mergansers in the snow at Heard Pond in Wayland, photographed by Joan Chasan.

Steve Forman photographed a bald eagle, a common merganser, hooded mergansers, ring-necked ducks, and a ruddy duck at the Sudbury Reservoir in Southborough.

Steve Forman photographed hooded mergansers and common mergansers at Foss Reservoir in Framingham.

Steve Forman photographed an American coot, common mergansers, and a hooded merganser at Hager Pond in Marlborough.

Steve Forman photographed a common merganser at Foss Reservoir in Framingham.