Scientists Test Different Ways for Saving Rhinos

August 04, 2015 03:13 PM
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The African rhino is a seriously endangered species — and one subspecies, the northern white rhinoceros — is on the brink of extinction. After the recent death of a female, only four northern white rhinos remain alive. Only one of them is a male. VOA's George Putic reports that scientists are using two distinct strategies to save them.