Great Blue Heron

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...

Jim DeLuco photographed an orchard oriole, a great blue heron, and a mute swan at Bruce's Pond in Hudson.

Jim DeLuco photographed a common grackle, great blue herons in their nest, and a red-winged blackbird at Assabet River National Wildlife Refuge in Maynard.

Steve Forman photographed mute swans and a great blue heron at Bruce's Pond in Hudson.

Gail Sartori photographed this great blue heron in Stow.

Steve Forman photographed painted turtles, double-crested cormorants, a warbling vireo, a great blue heron, least sandpipers, mallards, mute swans, an eastern kingbird, a European starling, a baskettail dragonfly, a barn...