Surveys are likely to have missed multiple groups and individuals due to differences in survey techniques.
In Rwanda gorillas have been leaving protected areas to raid sodium rich crops.
Malaria can be transmitted from humans to gorillas, with devastating effects.
The Virunga National Park is home to many people living off the land. Clashes between the army and those illegally extracting resources is causing huge problems for conservation.
As Donald Trump prepares to enter the White House, there may be dark days ahead for some of the world's rarest and most beautiful primates.
For the survival of iconic species in Africa, it is crucial that conservation efforts do not ignore conflict zones.
We tend instinctively to value human lives over non-human ones. But is there a point where the scales might tip the other way?
The death of Harambe the gorilla has sparked outrage and raised questions over the adequacy of zoos, but protecting some animals through legal personhood is flawed and dangerous, says legal scholar.
Safaris are a major tourist attraction for those travelling to Africa - and visitors are spoiled for choice on the continent.
As much as animals may pass on viruses to humans, humans pass on viruses which are sometimes lethal to the animal world as well.