Great Horned Owl vs. Black Rat Snake
From Bonnie, Education Department:

Today, a couple of our veterans where on the service road and found a great horned owl being strangled by a black rat snake. They were joined by Brenda and between them, somehow managed to pry the snake free and save the owl from the grip of death (that's what I'm calling the snake). No animal was harmed in this death defying process. Yeah!

It turns out the GHO is so young he still has his baby feathers on the back of his head. (As young as 3 but not as old as 4 months). Upon his physical, he weighed 998 grams (2.2 lbs), had no broken bones, but one seriously drooping wing and had way too many flat flies sucking his blood. His mouth was pink and though it wasn't exactly moist, it wasn't stringy either. Melissa and I dusted him to de-vampire-bug him and administered fluid therapy both subcutaneously and orally. His was literally skin and bones (& feathers). Fear of his weakened state dictated not giving more food than his tummy could handle. We left him with 3 mice for the night and laid him down in his cage. At last bed-check, he was still unable to stand. I assumed it was simply the exhaustion, but the morning would tell.

By his emaciated state, and learning that he was seen during the day last week, trying to unsuccessfully carry a snake, he must have been trying to hunt the slow movers. His parents left him on his own before he'd learned to hunt well enough to survive. Poor little guy, top of his food chain, trying to get a meal and ended up almost killed by his prey. Seems like there's a lesson there about kids on the street...