Great Blue Heron

Steve Forman photographed a two youg mute swans, and a great blue heron consuming a fish at Hager Pond in Marlborough.

Steve Forman photographed this great blue heron as it caught a fish at Hager Pond in Marlborough.

Marie Rock photographed these great blue herons at their nest in Assabet River National Wildlife Refuge in Sudbury.

Steve Forman photographed an American golfinch, a pair of red-winged blackbirds mobbing a great blue heron, and a red-winged blackbird with a dragonfly.

Steve Forman photographed a great blue heron at Sudbury Reservoir in Southborough.

Steve Forman photographed a double-crested cormorant, a great blue heron, and mallards at Hager Pond in Marlborough.

Steve Forman photographed a great blue heron and a red-winged blackbird at Farm Pond in Framingham.

Steve Forman photographed a great blue heron and mallard ducklings at Hager Pond in Marlborough.

Steve Forman photographed these great blue herons at the Sudbury Reservoir in Southborough.

Joan Chasan photographed these great blue herons at their nest near Feeley Field in Sudbury.