Rhinos--DRAFT

Associated Press
A male, right, and a female one- horned rhinoceros face each other at the Pobitora wildlife sanctuary, about 55 kilometers east of Gauhati, India, Saturday, May 19, 2012. Pobitora has the highest density of rhino population in the world. (AP Photo/Anupam Nath)

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The South African government says a record 668 rhinos were killed in the country in 2012, an increase of nearly 50 percent over the previous year. Demand is growing in Vietnam and elsewhere in Asia where rhino horn is believed to have medical benefits despite evidence to the contrary. The horn is made of keratin, a protein also found in human fingernails.

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