/tags/namibia Namibia en-US Copyright Wed, 20 May 2015 15:10:00 GMT /2015-05-20/rare-black-rhino-killed-by-u-s-hunter-who-won-controversial-auction Corey Knowlton of Dallas won an auction last January for a hunting permit that would allow him to kill a black rhino weighing about 3,000 pounds. Wed, 20 May 2015 15:10:00 GMT /2015-05-20/rare-black-rhino-killed-by-u-s-hunter-who-won-controversial-auction Bill Chappell