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To save the fight for the last five northern white rhino in the world

19:13 GMT clock 21st January 2015 Last updated

Northern White rhinos are on the brink of extinction, with only five of them in the world, but safety experts try to save routes.

These animals are prized for their valuable horns and were hunted by poachers for decades.

Scientific Editor of the BBC's David Shukman had privileged access to one of the last survivors of access.