Maintaining bird boxes in Wissahickon meadows
A volunteer crew cleans out and tightens screws on the bird boxes for bluebirds, swallows, wrens and sparrows in the meadows of the Wissahickon section of Fairmount Park in Philadelphia.
A volunteer crew cleans out and tightens screws on the bird boxes for bluebirds, swallows, wrens and sparrows in the meadows of the Wissahickon section of Fairmount Park in Philadelphia.