for two american philanthropists, doug and kris tompkins, the route of parks was just one part of a decades—longrgentinean patagonia. over the course of 30 years, doug, chris and the tompkins conservation 0rganization bought two million acres of land across chile and argentina. i am very proud of what we do because every hectare we have ever purchased goes right back to the people of the country. if you want to conserve a territory and bring back species who've gone toward a point where their numbers are quite low, you have to, a, consult the geniuses of the place who are the people who've lived here for a very long time. because we're coming in and we don't really know that much about how these areas function and they do. the chilean gaucho traditionally is a horseman skilled at protecting cattle and sometimes hunting predators. but gaucho don daniel now has a wider view of predators, which are an important part of the wildlife ecosystem. he now monitors and protects native deer. today, he uses modern techniques to track the huemul nearby. so, the signal is quite strong when we point the antenn