In addition to their thick, leathery hide and imposing stature, now a group of African rhinos have one more tool to help protect them against poachers -- GPS locating devices embedded directly into their horns. Five such animals in South Africa's Mafikeng Game Reserve were recently equipped with the small tracking chips which will help park officials monitor their movements and alert them to any possible threats from illegal hunting. Conservationists hope that by upgrading the animals with technology of the 21st century it may help ensure this endangered species will still be around at the end of it.
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