Sudbury

Steve Forman photographed a blue dasher dragonfly, an American robin, and a Halloween pennant dragonfly at Grist Mill Pond in Sudbury.

Steve Forman photographed this great blue heron at Grist Mill Pond in Sudbury.

Stephen Capistron photographed this white-tailed deer fawn in 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...