Mike in the Wild

All went very well with my Jake tour of duty - he was his normal affectionate, playful, hungry, pooping, peeing jock-like self every time I checked in.   My visits to my vacationing friends' three-year old indoor cat, Jake, were by 9 am every morning, so I had to fill their backyard stray's food and water early.  Apparently this outside cat comes around dinnertime, so I never saw Bella, as she's been named. Yesterday, I noticed as I was checking all the door locks just before leaving, that something had gotten into Bella's food bowl in the twenty minutes since I'd filled the empty container.  It appeared as if a visitor had made a running leap into the table-top bowl as there was an impact crater-like depression and scattered bits of kibble about.  Who did this?   Another cat, a roof rat, a bird?  I needed to find out, but as I was running late for that day's other appointments, it would have to wait until tomorrow.  But my bet was on the st...