“For this study, a total, about 43,000 km2 (the size of Denmark) was surveyed for bonobos, of which WCS teams covered roughly a third: part of the northern sector of the Salonga National Park and the ‘corridor’ of land between the northern and southern sector.
The study estimates the population of bonobos in Congo’s largest protected park, Salonga National Park. For the first time, scientists now know how many bonobos live in Salonga National Park, a place believed to be the world’s stronghold for this Endangered species. The study estimates that 8,000–18,000 adult bonobos live in Salonga. The population number also appears to have remained stable since 2000.”