about what the biggest threat to these rhinos are around the world, and it is poachers. people who will kill these animals and leave them to rot in these fields of africa. just for this horn. these horns that you see here will sell for hundred of thousand of dollars on the black market. cory nolton knows this isn't easy to watch. but he vows to take the abuse of his critics to convince the world that conservation hunting can save the black rhino. you may be wondering why the namibian government would endorse a hunt for an endangered animal in their country or why a conservationist would hunt an animal under threat. >> these types of hunts are rare. the government of namibia has been issuing permits to hunt black rhinos since 2009.