I was leaving work late tonight, around 8:15, when I noticed the strangest thing. There was this 'flock' of BATS taking off from what appeared to be the vicinity of the Riverwalk. The neat thing about it is they just poured out of wherever they came from and they formed up into the neatest linear formation. They looked like a series of writhing waves flowing across the sky. I had no idea there was a colony here in town but it was pretty neat to watch.