Are you kidding? Riding around in jeeps, shooting at them? Even if they are only using cameras, as they are no longer legal to shoot with rifles, the jeeps buzzing around disturb them...if it didn't, then you wouldn't hear about the occasional animal CHARGING the jeeps!
You know...if YOU are doing a case study, maybe YOU should do a little research? Has that occurred to you? Cause, you know, THIS is not considered research...this is considered asking people to spoon feed you the information.