.... Tiger. First, the Black Rhino is on the list for mainly one reason and that is because of poaching or illegal hunting. “The Black Rhino also has a long gestation period of 15 months with an interbirth interval of a single calf every 2.5 to 4 years, making it a slow process for rhinos to be introduced back into the world by birth� (International Rhino Foundation 3). “The Black Rhino is illegally hunted for its ivory horn that ranges between one foot to one foot eight inches long� (Speart 26). The animal is slaughtered for its horn while its carcass is left for the vultures. Since the Black Rhino was put on the list in the 1980s, .....