Mallard

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An American crow at Hager Pond in Marlborough, photographed by Steve Forman.
Steve Forman photographed an American crow, Canada geese, mallards, and an osprey at Hager Pond in Marlborough.
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A mallard at Bruce's Pond in Hudson, photographed by Joan Chasan.
Joan Chasan photographed these mallards at Bruce's Pond in Hudson.
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A great blue heron at Hager Pond in Marlborough, photographed by Steve Forman.
Steve Forman photographed mute swans, wood ducks, a bald eagle, hooded mergansers, and a mallard at Hager Pond in Marlborough.
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A killdeer at Hager Pond in Marlborough, photographed by Steve Forman.
Steve Forman photographed a killdeer, a ring-billed gull, a great blue heron, a mallard, a double-crested cormorant, a house sparrow, and wood ducks at Hager Pond in Marlborough.
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A green heron at Hager Pond in Marlborough, photographed by Steve Forman.
Steve Forman photographed a green heron, great blue herons, a great egret, an osprey, an American crow with an acorn, a mallard, and a belted kingfisher at Hager Pond in...
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A mallard duckling at Hager Pond in Marlborough, photographed by Steve Forman.
Steve Forman photographed mallards and painted turtles at Hager Pond in Marlborough.
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A Canada goose gosling at Hager Pond in Marlborough, photographed by Steve Forman.
Steve Forman photographed a Canada goose gosling, a great blue heron, a family of mallards, a red-shouldered hawk being chased by a red-winged blackbird, eastern tiger swallowtail butterflies, a greater...
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Mallard ducklings at Hager Pond in Marlborough, photographed by Steve Forman.
Steve Forman photographed mallard ducklings, a red-winged blackbird, a solitary sandpiper, a spotted sandpiper, an eastern tiger swallowtail butterfly, and a killdeer at Hager Pond in Marlborough.
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A Baltimore oriole at Bruce's Pond in Hudson, photographed by Steve Forman.
Steve Forman photographed a Baltimore oriole, a family of mute swans, mallard ducklings, and a painted turtle at Bruce's Pond in Hudson.
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Great blue herons at their nest in Upton, photographed by Nancy Wright.
Nancy Wright photographed great blue herons, a northern water snake, a pine siskin, and mallards in Upton.