Figure 2. Geographic distribution and genetic variation in selected primates.
Despite having modest or small current population sizes, and in most cases being either endangered or critically endangered (www.iucnredlist.org), most nonhuman primate species investigated to date have substantial levels of within-species genetic variability. Panel A: The approximate geographic distributions of African ape species, although actual distributions are generally discontinuous isolated populations within these areas. Hatching indicates the level of genetic variation estimated through the Great Ape Genome Project36. The IUCN conservation status is indicated by legend font. Panel B: Approximate geographic distributions for gibbons, orangutans and selected macaque species. As for the African species, conservation status is indicated by the legend font and the estimated level of genetic variation is shown by hatching. Information on genetic variation from references #33, 34 and 66.