FILE - In this Oct. 11, 2011 file photo, two dama gazelles lie in the grass in their habitat at the Montgomery Zoo in Montgomery, Ala. Starting on Wednesday, April 4, 2012, the U.S. government will stop allowing anyone to hunt the dama gazelle or two other exotic antelopes native to Africa, the addax and the scimitar-horned oryx, giving the animals full protection under the federal Endangered Species Act. (AP Photo/Dave Martin, File)