bonobos aren't chimps, they're separate species
https://knowledgenuts.com/2013/08/18/the-difference-between-...
"an endangered great ape and one of the two species making up the genus Pan; the other is Pan troglodytes, or the common chimpanzee."
https://knowledgenuts.com/2013/08/18/the-difference-between-...
"an endangered great ape and one of the two species making up the genus Pan; the other is Pan troglodytes, or the common chimpanzee."
> The bonobo (/bə.ˈnoʊ.boʊ/ or /ˈbɒ.nə.boʊ/; Pan paniscus), formerly called the pygmy chimpanzee and less often, the dwarf or gracile chimpanzee
Also see https://en.wikipedia.org/wiki/Chimpanzee:
> The taxonomical genus Pan (often referred to as chimpanzees or chimps) consists of two extant species: the common chimpanzee and the bonobo.
It's like "crow", which can refer to a particular species (e.g., in England a crow, unqualified, usually means a carrion crow), or to the genus Corvus, which includes e.g. ravens and rooks.