POV: Ride on the Back of a Giant River Turtle

The giant South American river turtle is not as abundant as it once was in some areas, but conservation methods—including patrols of nesting beaches by armed guards—help Brazil maintain a healthy population. Here turtles interacting with one another underwater are observed, for what could be the first time. Subscribe for more National Geographic videos: VIDEOGRAPHER: Kyler Abernathy SENIOR PRODUCER: Jeff Hertrick EDITOR: Nick Lunn