To understand the barriers endangered species face when trying to traverse their habitat, it helps to think of their environment like an electrical circuit board.
But with chimps now endangered, we risk losing their forest-rebuilding abilities.
Camera trap image of adult female chimpanzee with her offspring in fallow area in Moyamba district of Sierra Leone foraging on oranges.
Tacugama Chimpanzee Sanctuary
Studies show that West Africa's critically endangered chimpanzees are finding ways of adapting to their rapidly changing habitat, but they still remain highly at risk.
Do chimpanzee talk to each other? Scientists follow and record chimpanzees in the wild to find out – and to fill in details about how human language might have evolved.