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A wild male black rhino named Sambu is pictured after it was darted from a helicopter in Lewa conservancy on August 28, 2013. 11 of Lewa's total 73 endangered black rhinos are being translocated to neighbouring Borana conservancy to afford them more space. Borana currently has no rhino population and is hoping to help increase their numbers. The horn of each rhino is cut and a tracking device is fitted to monitor its movements and to help combat poaching. Lewa has suffered severe poaching in the past. Illegally poached rhino horn is sold for large sums as an ingredient in some traditional Chinese medicine. AFP PHOTO/Carl de Souza (Photo credit should read CARL DE SOUZA/AFP/Getty Images)
A wild male black rhino named Sambu is pictured after it was darted from a helicopter in Lewa conservancy on August 28, 2013. 11 of Lewa's total 73 endangered black rhinos are being translocated to neighbouring Borana conservancy to afford them more space. Borana currently has no rhino population and is hoping to help increase their numbers. The horn of each rhino is cut and a tracking device is fitted to monitor its movements and to help combat poaching. Lewa has suffered severe poaching in the past. Illegally poached rhino horn is sold for large sums as an ingredient in some traditional Chinese medicine. AFP PHOTO/Carl de Souza (Photo credit should read CARL DE SOUZA/AFP/Getty Images)

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    Rhino hunter defends killing an endangered animal

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Rhino hunter defends killing an endangered animal

Hunter Corey Knowlton speaks to CNN's Erin Burnett and defends his controversial hunt of an endangered black rhino in Namibia.

Rhino hunter defends killing an endangered animal

Hunter Corey Knowlton speaks to CNN's Erin Burnett and defends his controversial hunt of an endangered black rhino in Namibia.