Pigeons and Shafts of Sunlight

Here's the view from my cube, 880 southbound in the foreground. Yes, those cranes to the left of the lower shaft of light are the same ones I eat lunch by.

Despite the pokey wire strips on the ledges, a good number of those pigeons end up inside the building flying about, looking at a loss. Sometimes it seems like an aviary in here. I wonder what becomes of them, and what wild pigeon thoughts they think while separated from the flock. Wonder what flying with the flock feels like. In my dreams I generally fly solo, maybe once in a great while with a friend.