That is interesting. I thought I was the only one to take their indigos out in the yard. I have a large, secluded yard and watch them closely, but it is a lot of fun to watch them telescope and survey their surroundings. Mine even crap outside, which is great for obvious reasons. I would never let them out if I had close neighbors, but I have lots of land for them to explore, but only one at a time. Also, I only let adults or sub-adults out to crawl. Babies are too fast. Those are beautiful indigos, by the way.