Anyway, I heard a noise and saw him trying to open the window further. Not only does he lack the strength to push it further open, but he also seemed to have the wrong idea of how to go about getting it to open further. He was at this for a while before I remembered my camera does video. Sorry for the low quality. I called him just as I was finishing recording.
Save as, or see if your browser will play it, whichever. It's a DivX avi file with no sound.