
How Argentina and Chile’s Rewilded Areas Are Ushering in a New Era of Eco-Travel
Behind the scenes of a cutting-edge conservation project to protect jaguars and pumas within the shared landscapes of the two nations.
The print was easy to miss—a pad with four pistachio-shaped toes blotted into the soft brown earth, but there was no doubt: jaguar. We’d been riding all morning through the tall grass of San Alonzo Island on horses saddled with fat blankets, following two young researchers holding a telemeter—like an old TV antenna—searching for the ping of a GPS collar. The yaguareté, South America’s largest cat, used to roam the Iberá wetlands here in Argentina’s Corrientes province, a blanket of marsh and lagoon over 3 million acres large. But the last one had been shot out more than 70 years ago by locals to spare their livestock and supply the fur trade. Without the country’s apex predator, not to mention the impact of nearby cattle ranches and climate change—only days before, a wildfire had ripped through more than half of the park during a two-year drought—the ecosystem was suffering.
But we were here to witness a turnaround—the hopeful green shoots, which were literally pushing up through the singed grasslands—on an “Impact Journey” hosted by Les Carlisle, the legendary former head of conservation for andBeyond, one of several they run to bring guests to encounter the cutting edge of conservation. This particular trip will run this October and is bookable now. Thirty years ago, Les helped the South African safari company pioneer the practice of rewilding and animal translocation, moving 21 white rhinoceros from Zululand to South Africa and turning a patchwork of private ranches into Phinda Reserve, now home to the Big Five. Years later, this model would catch the attention of American conservationists Doug and Kris Tompkins—CEOs of The North Face and Patagonia respectively—who’d been buying up huge swaths of land in Chile and Argentina to donate to the governments to become national parks, sustained by ecotourism.
But they wanted to fully recover the ecosystems, not just save empty landscapes—which meant bringing back locally extinct species and managing the biodiversity of the rest. Eight species have been released in Iberá, including the giant anteater, pampas deer, red-and-green macaw, tapir, and, most controversially, the jaguar. Five years ago, Les helped the foundation present their plan to reintroduce the cat to wary Argentine officials, and in January 2021, a female donated by a zoo and her two cubs stepped into the wild. Now the region has become ground zero for an experiment that could recalibrate ecosystems across the continent, with more than 14 million acres protected with the help of Rewilding Argentina and Rewilding Chile, the NGOs that spun off in 2019 from Tompkins Conservation after Doug’s death. “They are writing the textbook on rewilding in South America. It’s exciting,” says Les—who, though retired, will continue to host the journeys he designed.
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Les’s optimism buoys the 14-day trip, which begins at Rincón del Socorro Lodge in Iberá after a short flight from Posadas, the jumping-off point to northeastern Argentina from Buenos Aires. The charming, six-room, three-villa former cattle estancia was the Tompkins’ home and operational base, and the manicured grounds are now a haven for roving groups of ostrich-like rhea, capybara (giant guinea pigs) and collared peccary, a kind of wild boar that Les says only five years ago he spent hours tracking using telemetry, “and now they’re outside the front door.”
Rewilding Argentina’s predator reintroduction plan, which aims to keep prolific prey populations in check, extends to other natural hunters. On a neighboring property, we visit a fenced enclosure where a languid male ocelot—likewise spotted yet smaller than a jaguar—who spent nine years in a local wild animal exhibit, awaits the arrival of a mate while honing his kill instinct on young capybaras dropped into his cell. On San Alonzo Island—a puddle-jump away by plane over the Okavango-like marshes—two families of giant otters screech and gnash their teeth when they choke down a slop bucket of fish, and will soon be released into the lagoon, where invasive species have thrown off the aquatic order.
But the jaguar, once Corrientes’ greatest foe, is now king. The team of young scientists who led us on horseback live are joined today by Sofía Heinonen, Rewilding Argentina’s executive director, and together they inspect the perimeter of the jaguar enclosures, where we find the paw print—belonging to one of the eight that have been released, lured back by scent. One female, Mbarete, is waiting to be sent north to El Impenetrable, another Rewilding Argentina park, to mate; the goal is for the population to become self-sustaining. After initial opposition, local communities—many of them indigenous Gurarani—have embraced the jaguars with pride, the cat being a cultural symbol of strength.
Fuente: Prensa Austral