An adult mountain gorilla bears a serious expression sitting in the Rwandan rainforest

gorilla silverback virunga ape primate bwindi simian monkey zoo endangered congo wildlife uganda rwanda mammal animal captive jungle green rainforest africa powerful bush verdure male face king 1080p power wild vegetation portrait african big nature safari beast strong baby leader hairy looking eyes black parc stare grass family forest huge ruler silver sitting fur back lowland ruhengeri park volcanoes volcans mountain highlands mountains