Possum butt!
Roommate's dog left a "dead" possum on the deck. I figured it wasn't really dead, so I kept watching through the window, waiting for it to move. I could see it breathing, but it just kept lying there. I finally turned off the outside light, waited a few moments, then turned it back on. Sure enough, the possum was trundling off. I managed to snap a single picture just before it went over the side. It was pitch black outside, so I started snapping pictures blindly, hoping the flash would catch the possum again. Instead I got...
Giant Earthworms!