Gray Squirrel

Jim DeLuco photographed a gray squirrel and a red-tailed hawk at Bruce's Pond in Hudson.

Steve Forman photographed a gray squirrel, a pair of mute swans, and a song sparrow at Farm Pond in Framingham.

Nancy Wright photographed a sleepy gray squirrel and a red squirrel in her Westborough back yard.

Gail Sartori photographed eastern bluebirds and a melanistic gray squirrel in Maynard.

Craig Smith photographed a Canada goose, a chipping sparrow, a downy woodpecker, a gray squirrel, a tree swallow, and a yellow-rumped warbler at Assabet River National Wildlife Refuge in Sudbury.

Nancy Wright photographed these gray squirrels in a nest box in Westborough.

William Watt photographed an American robin, a European starling, a gray squirrel, a house sparrow, and a white-breasted nuthatch in Maynard.

Steve Forman photographed a black-capped chickadee, a gray squirrel, and a tufted titmouse in Framingham.

Steve Forman photographed blue jays, dark-eyed juncos, a song sparrow, a gray squirrel, a mourning dove, and a tufted titmouse in Framingham.

Harold McAleer photographed this black variation of a gray squirrel in Lincoln.