Report : 90 percent of world 's primates in danger of extinction . Situation is especially dire in Africa , where 90 percent of primates threatened . The golden-headed lion tamarin has been brought back from the edge of extinction . Almost 50 percent of primate species in Vietnam and Vietnam at risk of extinction .
Report : 90 percent of world 's primates in danger of extinction . Situation is especially dire in Africa , where 90 percent of primates threatened . Almost 50 percent of primate species in Vietnam and Vietnam at risk of extinction .