Sudbury

Joan Chasan photographed these great blue herons at their nest near Feeley Field in Sudbury.

Sharon Tentarelli photographed this immature Cooper's hawk in Sudbury.

Sharon Tentarelli photographed this ruby-throated humingbird in Sudbury.

Sarah Davis photographed this pearl crescent in Sudbury.

Roel Daling photographed brown-headed cowbirds, common grackles, red-winged blackbirds, eastern chipmunks, and an onlooking red-tailed hawk in Sudbury.

Karin Paquin photographed this American toad at SVT's General Federation of Women's Clubs of Massachusetts Memorial Forest in Sudbury.

Steve Forman photographed this northern water snake at Grist Mill Pond in Sudbury.

Marie Rock photographed this family of mute swans at Assabet River National Wildlife Refuge in Sudbury.

Marie Rock photographed these great blue herons at their nest in Assabet River National Wildlife Refuge in Sudbury.

Steve Forman photographed this family of wood ducks on Grist Mill Pond in Sudbury.