When birds are too interested, it's better to climb than descend. If you climb at a fast rate, the birds can't match that maneuver since it's not something they are accustomed to in nature. In all probability, if they're really pissed, they can...
I accidently took the drone with me on nightshift last night and it's a good thing I did as we had a spectacular sunrise this morning. All pics taken around 3:30am.
First pic is looking along the river Forth towards the Forth bridges. 2nd pic is...
Just the fact that the “entitled” property owner is a pharmaceutical company executive pretty much says it all. “His” airspace should be trespassed by a cruise missile or predator drone.