a new cnn original film called "trophy" takes a lock at how rare and endangered species can be saved. ed have ra travel today a big game where hunters -- >> reporter: jason manages the herds of roughly 60 different species spread across 18,000 acres of land on the ox ranch. at everyone turn, you come across not just native white tailed deer but a dizzying array of african species. hunters shell out big money for a guided excursion to hunt down prized trophies on this land, choosing from a menu of animals to hunt. paying anywhere from a few thousand dollars to as much as $35,000. and they say they're doing it not just for the thrill of the hunt but in the name of conservation. >> i know it sounds contradictory, but hunters love