But I did.
From my study window, I look out over part of the roof and the ugly but useful white fiberglass sheltering part of the deck. (Shown through the window screen, which I won't take off because it'll take me an hour and much swearing to put back on.)
By the time I ran down the stairs and out to the deck, there was no squirrel in sight. It must have fallen from the fiberglass to the deck here: