zebra on my patio

I once did an internship with a rug weaver in Oberlin Ohio who taught me that any woven rug can be cleaned successfully using plain water and a little pressure.  I decided to clean this zebra print rug that I got from my sister-in-law so I draped it over two chairs on the back patio and sprayed it with the hose.  I left it to dry and when I came back later, having forgotten it was there, I honestly thought there was a zebra on the other side of the door.  It was just for a split second, and then I quickly figured out what was actually going on, but for that instant I believed a zebra had managed to find his way onto an enclosed patio in the middle of LA.  Hmmm...