Condors and some other species of large vulture are bullies. In fact, at a carcass feeding, there is a distinct role and order of feeding for each species. Knowing this about a bird’s natural history helps us understand what natural reinforcers are and how you can avoid reinforcing undesirable behavior. Behavior around food even if not hungry can be intense with these big birds, and you want to be careful with your mechanics. This is something @eaglefalconer and I have great conversations about