wildlife fund says if done right, hunting as conservation can be an effective way. but some animal welfare groups says that idea is a threat. >> i think it's just rubbish. frankly, we just simply don't believe that trophy hunting has any place in serious conservation. >> reporter: this is your trophy room? >> that's what people would call it. >> to people who say that you want to do this black rhino hunt because you want a black rhino in this room what do you tell them? >> i don't think they understand what it means to be a hunter. i think, you know as part of a hunter these are memorials of the whole hunting experience and conservation and everything that it means to us. >> reporter: cory nolton isn't backing down from the critics, as he preeps for what he expects to be one of the most memorable hunts of his life. ed lavendera, cnn. >> and >> jeff core win. and jeff you heard cory's argument. he said he's going to kill an