Ключевые слова: a monkey, africa, animal behavior, animals of africa, ape, dian fossey, ecosystems, emotion, emotions in animals, fauna of africa, gorillas in the mist, great apes, grimace, jungle, mammal, mgahinga gorilla reserve, mountain gorillas, primates, primatology, protection of animals, protection of nature, red book, reserve, rwanda, the great apes, the international red book, tropical africa, uganda, zoology,