13 November 2011, Kinigi, Rwanda - Ambassador, UNEP Convention on Migratory Species and UNEP/UNESCO Great Ape Survival Partnership Ian Redmond (L) and FAO Forestry Officer Edgar Kaeslin (R) speaking with Edward, a local and longtime gorilla guide with the Rwanda Development Board's Tourism Departement in Volcanoes National Park. Under constant threat from poachers and human born respiratory ailments, the estimated total number of Mountain Gorillas worldwide is only 790.