Gorillas are known to be the largest living primates. These great apes are endemic to the forests of Central Africa. Gorillas are divided into two species each subdivided into two subspecies that is;
- the Western gorilla consisting of the western lowland gorilla and the Cross River gorilla
- the Eastern gorilla consisting of the Mountain gorilla and the Eastern lowland gorilla. The Eastern Lowland Gorilla is also known Grauer’s gorilla. It was named after the Austrian zoologist Rudolf Grauer, who identified it in the early 1900s.