A couple years ago we were living in our camper. We packed everything up, and went on vacation, with our trailer. My wife did not want to get her hummingbird feeder out at the new campground, because we'd only be there for 3 days. I got my Blade CX2 out (with the stock red fuselage), and flew it at my campsite. Within just a couple minutes, hummingbirds were attacking it. They must have thought it was the mothership.