Sudbury

Steve Forman photographed a blue dasher dragonfly, Canada geese, and a tree swallow at Grist Mill Pond in Sudbury.

Joan Chasan photographed this American robin in Sudbury.

Steve Forman photographed a great blue heron, a painted turtle, and a red-winged blackbird at Grist Mill Pond in Sudbury.

Joan Chasan photographed these great blue herons at their nests near Feeley Fields in Sudbury.

Will Malan photographed this river otter at the Raymond Reservation in Sudbury.

Steve Forman photographed the shed exoskeleton of a dragonfly larva at Grist Mill Pond in Sudbury.

Dan Trippe photographed hooded mergansers, ring-necked ducks, a belted kingfisher, pine warblers, American woodcock chicks, a blue-gray gnatcatcher, barn swallows, a palm warbler, a yellow-rumped warbler, a common grackle, an...

Dan Trippe photographed this eastern towhee at SVT's General Federation of Women's Clubs of Massachusetts Memorial Forest in Sudbury.

Steve Forman photographed Canada geese, tree swallows, a great blue heron, a muskrat, and red-winged blackbirds at Grist Mill Pond in Sudbury.

Richard Morse photographed this snapping turtle at SVT's Lyons-Cutler Conservation Land in Sudbury.