Ключевые слова: a monkey, africa, animal behavior, animals of africa, ape, bwindi impenetrable forest, bwindi impenetrable national park, democratic republic of the congo, dian fossey, ecosystems, emotion, emotions in animals, fauna of africa, gorillas in the mist, great apes, grimace, jungle, mammal, mgahinga gorilla reserve, mountain gorillas, national park, primates, primatology, protection of animals, protection of nature, red book, reserve, rwanda, the great apes, the international red book, tropical africa, uganda, uganda wildlife authority, unescodesignated, virunga national park, world heritage site, zoology,