Eastern gorilla
There are two recognised subspecies of eastern gorilla: the mountain gorilla ("Gorilla beringei beringei") of the volcanic slopes of Rwanda, Uganda and eastern Democratic Republic of Congo; and Grauer's gorilla or eastern lowland gorilla ("Gorilla beringei graueri") in eastern Democratic Republic of Congo.
Largest prehistoric animals
The largest-known dinoceratan was "Uintatherium". It was about the size of a rhinoceros. Despite its large size, it had a brain only about as large as an orange.