Great Blue Heron

Steve Forman photographed an American goldfinch, a black swallowtail butterfly, and a great blue heron at Great Meadows National Wildlife Refuge in Concord.

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

Steve Forman photographed these great blue herons at their nest in Southborough.

A great blue heron at Bruce's Pond in Hudson, photographed by Steve Forman.

Steve Forman photographed an eastern kingbird and a great blue heron at Hager Pond in Marlborough.

Steve Forman photographed a great blue heron, a mourning dove, and a wood duck duckling at Bruce's Pond in Hudson.

Nancy Wright photographed these great blue herons at their nest in Grafton.

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

Steve Forman photographed an eastern chipmunk, mallards, a mute swan, a common grackle, a great blue heron, and a spotted sandpiper at Hager Pond in Marlborough.

Steve Forman photographed a great blue heron with a fish, a marsh wren, a red-winged blackbird, a tree swallow catching a feather, and a warbling vireo in its nest at...