What Is This? [PHOTO]

It's no secret that I'm NOT a fan of creepy-crawlers. Sorry, but if a bug crosses my path, it will shortly meet my shoe. (Don't call PETA, it's just the food chain!)

So, while chatting outside of the WBKR Studios yesterday, a co-worker and I saw this...

But, what was it?!? It looked like a leaf, but it was moving. Either way... it was creepy!