I) In 1989, with the elephant facing the threat of extinction, the nations of the world agreed to ban trade in Ivory. II) Now, Ivory hunters who once shot elephants for their tusks are shooting hippos for their teeth. III) Once it is fashioned into jewellery, however, few consumers can tell the difference. IV) If nothing is done, experts say, the hippos may become extinct in certain parts of Africa. V) “The hippo,” complains Dr. Simon Lyster of the Worldwide Fund for Nature, “is the forgotten beast.”