Cameras are embedded inside the horn of the rhino, in what researchers say is a painless procedure. A British team has developed a system to help protect wild rhinos, which could be extinct within the next ten years, because they are hunted by poachers for their lucrative horns. By using a combination of GPS trackers, heart rate monitors and hidden cameras, wardens can be on site to foil an attack within seconds.
Graham Satchell reports.