You know what? After spending hours reading comments here, then watching videos and a talk about crows, it's decided. Screw drones. I don't want a quadcopter. I want to befriend a few crows and see if I can convince some to do cool stuff.
As someone who has worked a LOT with drones of all form factors (quad copters, propeller drones, battery and dead dinosaur-fueled), when drones can do this, drones will be cool:
I remember that video. It was featured in a TED talk I very like [0]. Murmuration is one of the most amazing things I ever saw on YouTube. Thanks for reminding me of it.