Common Merganser

Steve Forman photographed these common mergansers and wood ducks on the Sudbury River in Framingham.

Steve Forman photographed common mergansers, a mute swan, a ring-necked duck, and bald eagles at Hager Pond in Marlborough.

Steve Forman photographed bald eagles, common mergansers, a bufflehead, common goldeneyes, and hooded mergansers at the Sudbury Reservoir in Southborough.

Steve Forman photographed common mergansers, Canada geese, great blue herons, and a tree swallow at Grist Mill Pond in Sudbury.

Steve Forman photographed a ring-billed gull, a muskrat, and common mergansers at Hager Pond in Marlborough.

Ron McAdow photographed a pair of mating common mergansers in Lincoln.

Steve Forman photographed a ruddy duck, common mergansers, and a lesser scaup at Hager Pond in Marlborough.

Steve Forman photographed a common merganser, mute swans, a Canada goose, a hooded merganser, a greater scaup, and ring-necked ducks at Hager Pond in Marlborough.

Steve Forman photographed a bald eagle and common mergansers on the Sudbury Reservoir in Southborough.

Steve Forman photographed Canada geese, mute swans, a common merganser, a greater scaup, ring-necked ducks, a bald eagle, a mallard, a song sparrow, a hooded merganser, northern pintails, and a...