Question: What reserve was established in 1991 to protect the habitat of the "Pan paniscus"?
Sentence (from "Bonobo"): The bonobo ( or ; "Pan paniscus"), formerly called the pygmy chimpanzee and less often, the dwarf or gracile chimpanzee, is an endangered great ape and one of the two species making up the genus "Pan"; the other is "Pan troglodytes", or the common chimpanzee.
Relevant evidence: Yes