golden-bellied

“In comparison, Wolf's guenon (Cercopithecus wolfi), bonobo (Pan paniscus, EN), golden-bellied mangabey (Cercocebus galeritus chrysogaster), black crested mangabey (Lophocebus aterrimus), and dryad guenon (Cercopithecus dryas) occur only on the left bank of the Congo.”

Western Congolian swamp forests

“For example, Angolan colobus (Colobus angolensis), Wolf's guenon (Cercopithecus wolfi), bonobo (Pan paniscus, EN), golden-bellied mangabey (Cercocebus galeritus chrysogaster), black mangabey (Lophocebus atterimus aterrimus), southern talapoin (Miopithecus talapoin) and dryad guenon (Cercopithecus dryas) occur only on the left bank of the Congo.”

Eastern Congolian swamp forests

“Other near-endemic mammal species include the golden-bellied mangabey (Cercocebus chrysogaster), bonobo (Pan paniscus, EN), okapi (Okapia johnstoni), Allen's swamp monkey (Allenopithecus nigroviridis), Angolan cusimanse (Crossarchus ansorgei), Thollon's red colobus (Procolobus tholloni), and Wolf's monkey (Cercopithecus wolfi).”

Central Congolian lowland forests