Hooded Merganser

Dan Trippe photographed hooded mergansers, ring-necked ducks, a belted kingfisher, pine warblers, American woodcock chicks, a blue-gray gnatcatcher, barn swallows, a palm warbler, a yellow-rumped warbler, a common grackle, an...

Jon Turner photographed hooded mergansers and a white-breasted nuthatch in Harvard.

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 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...

Steve Forman photographed Canada geese, hooded mergansers, a common merganser, and bald eagles at Hager Pond in Marlborough.

Steve Forman photographed bald eagles, hooded mergansers, and ring-necked ducks at the Sudbury Reservoir in Framingham.

Steve Forman photographed these hooded mergansers on Foss Reservoir in Framingham.

Steve Forman photographed a bald eagle and hooded mergansers at the Sudbury Reservoir in Southborough.

Steve Forman photographed mallards, mute swans, wood ducks, Canada geese, and hooded mergansers at Hager Pond in Marlborough.

Gail Sartori photographed this hooded merganser in Stow.