This page reloads every 60 seconds. I've disabled the gamma correction previously performed by the framegrabber, so the image will appear darker, but should look better if your display is already gamma corrected. New webcam software is acting less flaky on this hardware, There haven't been any crashes lately, but the window may be down during development. Refresh rate changed to 5 seconds. If you don't see something in the still image, there's probably nothing in the movie.
Some motion is birds or nearby air traffic.
Pigeons seem to be active in the morning, while swallows dive-bomb the building on nice afternoons. Other birds include crows, hawks, and buzzards.