Purple Martins

A nearby Audubon site has installed a large gourd rack to attract nesting Purple Martins.  Today they were flying in and out of their "condos" as they caught insects on the fly, returning to feed hungry chicks.  The sky was overcast, creating a plain white background.  I wish now I had also taken a photo of the entire set-up, with what must have been 20 different nesting units.