i cant see a problem with that vid your saying dont try this the list could go on and on.they are dangers in countryside aswell such as power lines etc and also flying in and among cattle where your bird could get trampeled buy them or flying around lakes where your bird could bind to something over water and drowned.evan with falcons they can bring a crow or gull etc down in the middle of the road it happened to a pere/saker of mine no problem i think with kier theres no dangers really in what you do. because possibly all your birds are for demontration purposes with your harrises chasing a d