Gorillas have been significantly affected. Cross River gorillas have seen 59% of their habitat disappear over the past two decades. Eastern gorillas, the largest gorilla and largest surviving primate, have lost 52% of their habitat, while western gorillas have lost 31%.
The various species and subspecies of chimp have also suffered.
Bonobos, once known as pygmy chimpanzees, have lost 29% of their habitat. Of the different subspecies of common chimpanzee, those living in central Africa have lost 17% and those in western Africa 11% of their habitat respectively.