but varty's caught the most heat on his ideas of how to save endangered species, like the tiger.y move tigers from the jungles of asia to his land in africa. >> there she goes. there's a -- ah. >> reporter: encouraging them to hunt strange new prey. all the while, composing a musical in their honor. ♪ no more freezing cages ♪ no more insanity >> reporter: one famed conservationist tells me it makes as much sense as introducing grizzly bears to the everglades. no less controversial is his plan to save endangered rye knows. poachers slaughter hundreds each year in order to chain saw off the horns and sell them for more than 100,000 bucks a i piece on the asian black market. >> the horn is believed to be an after roe deese yak. and today, it fetches more than gold per ounce. >> reporter: while trading is strictly forbidden. varty wants to legalize the trade, so they can harvest and use the profits for conversation. >> the rye nore would still be alive. >> reporter: so far, the ideas have received more scorn than acceptance. >> i had the engine running. i was moving quickly. >> repor