sentences:  Conservation efforts in the Sangha River Tri-national Protected Area are in place in a trans-boundary program sponsored by the World Wide Fund for Nature (WWF) with participation by the Central African Republic, the Congo and the Cameroon.This covers a total area of 2,800,000 ha (6,918,951 acres) encompassing the Dzanga Sangha Special Reserve (the second largest area in the world) in the Central African Republic, which incorporates within its ambit the Nouabalé-Ndoki National Park in the Republic of Congo (Brazzaville) and the Lobéké National Park in Cameroon.Appropriate actions are under implementation in respect of anti-poaching, research and the promotion of tourism to the rain forests (the mammal species of particular interest are elephants, apes, ranging from western lowland gorilla to chimpanzees and bongo).