With the new discovery, the current population of western lowland gorillas could be around 150,000-200,000.
But tourism built around western lowland gorillas is another matter.
The country is noted for its population of forest elephants and western lowland gorillas.
The nearest population of western lowland gorilla is some 250 km away.
The genome of a western lowland gorilla was sequenced in 2012.
The western lowland gorillas, on the other hand, don't.
Local wildlife includes populations of Western lowland gorilla and forest elephants.
The main diet of the western lowland gorilla is vegetation, including roots and shoots.
The eastern gorilla also has a longer face and broader chest than the western gorilla.
It was the sixth time western lowland gorillas had given birth to twins in captivity.