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April 8, 2011
Tree Swallows are Back!

A male Tree swallow stands guard on the roof of a nesting box at Fresh Pond Reservation. Each year when these birds return to Fresh Pond from their wintering grounds on the coast of the south-eastern United States and Mexico, they immediately begin inspecting the boxes that were put up for them. There are fourteen boxes, made by Friends of Fresh Pond Reservation and the Cambridge Water Department.
Photo by Harry Powers
NEST BOX MAP