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.

Steve Forman photographed wood ducks at Grist Mill Pond in Sudbury.

Liz Hanna photographed this common garter snake preying on an American toad in Sudbury.

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

Harry Newell recorded this video of a pileated woodpecker at SVT's General Federation of Women's Clubs of Massachusetts Memorial Forest in Sudbury.