The eastern species of gorilla (Gorilla beringei) consists of two subspecies, Gorilla beringei beringei (Mountain Gorilla) and Gorilla beringei graueri (Eastern Lowland Gorilla or Grauer’s Gorilla).
Gorilla beringei beringei is found in two isolated subpopulations, Bwindi Impenetrable National Park,
Uganda, and the Virunga park and Volcanoes national park region of Rwanda, Uganda, and Democratic Republic of Congo (DRC).
While there has been some debate as to whether Bwindi gorillas should be considered as a separate subspecies (Sarmiento et al. 1996, Stanford 2001, Grubb 2003), they are considered here as one subspecies following Caldecott and Miles (2005) and Groves
