@natgeo
National GeographicBiologist and video journalist Romi Castagnino (@romicastagnino.wild) unpacks a prehistoric mystery in what is now the Peruvian Amazon, where a ground sloth met a violent end 13 million years ago. With National Geographic Explorer and paleontologist Rodolfo Salas-Gismondi, who discovered the fossil, she follows the evidence to hunt down the ancient predator behind the attack.
On the profile · Jan 31, 2026