Presented by National Geographic Society in partnership with Rolex. Thomas Peschak spent weeks exploring Ecuador's Napo River to find giant river otters and discover how the amazing wildlife of the Amazon connects with its waters 🦦This expedition was supported by Rolex and its Perpetual Planet Initiative, which is partnering with the National Geographic Society on science-based expeditions to explore, study, and document change in the planet’s most unique regions. #PerpetualPlanet