The O.P. was talking about building a tractor. Chickens are contained in a tractor, unless you let them out, right?. Camouflage would go around the tractor, chickens would never see the outside. The neighborhood HOA would have to fly a drone over to see the tractor. But, the way things are going, probably won't be too long, and the HOAs will have them. I can see it now, The SupremeCommander of the HOA, monitoring his drones through his computer........ 'I see Jones there has a deck on the back of his house, I wonder if he got the proper permits.' and.. 'That shed Williams has there, is too big, he'll just have to tear that down.'
The last neighborhood I lived in had one of those(HOAs). Some people just can't get enough of pushing the "Rules" on somebody else. I couldn't get out of there fast enough.