Here is a link copied from another hunting website. It contains video of two young men shooting mule deer in Idaho...at 1,082 yards and 960 yards.
https://www.youtube.com/watch?v=lD9A-dvfFD0&list=UUW05Qtde64oWHNG0CvMrdHg At what point does shooting long distance become target practice instead of hunting? If the quarry has zero chance of using their senses to detect danger...is it really hunting?