Great Blue Heron

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.

Gail Sartori photographed a mallard, a Canada goose, and a great blue heron at SVT's Upper Mill Brook Conservation Area in Wayland.

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

Steve Forman photographed this great blue heron at Hager Pond in Marlborough.

Jim DeLuco photographed these great blue heron chicks at their nest in Assabet River National Wildlife Refuge in Maynard.

Jim DeLuco photographed this great blue heron at Assabet River National Wildlife Refuge in Maynard.

Jim DeLuco photographed this great blue heron at Bruce's Pond in Hudson.

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

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