Sudbury Valley TrusteesConservation, Collaboration, and Community since 1953

Joan Chasan photographed the following at Great Meadows National Wildlife refuge in Concord: American bullfrog, common moorhen, great blue heron, northern water snake, osprey, Virginia rail, Virginia rail chick, yellow-headed blackbird.

Joan Chasan photographed this thrush, probably a wood thrush, in its nest at Great Meadows National Wildlife Refuge in Concord.

Joan Chasan photographed the following at Great Meadows National Wildlife Refuge in Concord: common moorhen, great blue heron, muskrat, northern water snake, and tree swallow.

Anne Dykiel photographed this northern water snake at Great Meadows National Wildlife Refuge.

James Doyle photographed this snapping turtle at Great Meadows National Wildlife Refuge in Concord.

James Doyle photographed this great blue heron at Great Meadows National Wildlife Refuge in Concord.

Anne Dykiel photographed this Great Blue Heron at the Great Meadows National Wildlife Refuge in Concord (click on image for a larger view).

Anne Dykiel photographed these Canada Geese at the Great Meadows National Wildlife Refuge in Concord (click on image for a larger view).