Great Blue Heron

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...

Steve Forman photographed this great blue heron at Bartlett Pond in Northborough.

Steve Forman photographed this great blue heron at Bartlett Pond in Northborough.

Mason Missaggia photographed this great blue heron at Westborough Wildlife Management Area.

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

Rebecca Cutting photographed this great blue heron in Sudbury.

Gail Sartori photographed this great blue heron on the partially iced over Dudley Pond in Wayland.