Fig. 3

GPS prediction of the biogeographical affinities of gorilla populations of known geographic source from the Great Ape Genome Project (GAGP). Relevant National Parks/Wildlife Reserves are shown in green ovals (not to scale). The geographic coordinates ascertained by GPS for gorillas from Equatorial Guinea, Cameroon and Congo are shown in yellow, blue and green triangles, respectively. Maps were plotted using the R package rworldmap v1.3–1