Pan paniscus vs pygmy chimpanzee

Pan paniscus and pygmy chimpanzee both are nouns.

Word	Noun	Adjective	Verb	Adverb
Pan paniscus	Yes	No	No	No
pygmy chimpanzee	Yes	No	No	No

As nouns, Pan paniscus and pygmy chimpanzee are synonyms defined as:

Pan paniscus and pygmy chimpanzee: small chimpanzee of swamp forests in Zaire; a threatened species

Other synonyms of Pan paniscus include bonobo.

Pan paniscus (noun)	pygmy chimpanzee (noun)
small chimpanzee of swamp forests in Zaire; a threatened species	small chimpanzee of swamp forests in Zaire; a threatened species