Many years ago, I worked, very briefly, as a cleaner at Varndean (everybody should clean a toilet for a living at least once in their life), and the head caretaker there was complaining that the previous occupant of his house had not only taken the light bulbs but had hacked up the bottom of the...
When you see video of them, it's extremely obvious that they are dogs. Due to them behaving like, well, dogs.
It's possible they were just in witness protection from South Dakota governor Kristi Noem
Edit: here's some video I found: