Today, the Painted Bunting remains in place but the Ruby-throated Hummingbird carcass is fully gone. It lasted approximately 5 days.
At the north entrance, I flushed a small, olive-green warbler with noticeably long and yellow undertail coverts. The bird bumped the glass near me, but I was able to steer it away from the building and into some ornamental trees. I was unsuccessful at relocating it after that. My best guess is that the bird is a Mourning Warbler, given size, coloration, and the long undertail coverts. The spatial distribution of collisions now looks like this: