Thomas Marent / Bonobo (Pan paniscus) staring, native to central Africa

Cyril Ruoso / Bonobo (Pan paniscus) young in day nest, Democratic Republic of the Congo

Thomas Marent / Bonobo (Pan paniscus) hooting, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo

Thomas Marent / Bonobo (Pan paniscus) walking through water, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo

Thomas Marent / Bonobo (Pan paniscus) feeding on leaves, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo

Thomas Marent / Bonobo (Pan paniscus), Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo

Cyril Ruoso / Surrogate mother holding orphan Bonobo (Pan paniscus) and her own baby Lola ya Bonobo Sanctuary, Democratic Republic of the Congo.

Cyril Ruoso / Bonobo (Pan paniscus) male and female copulating, Lola ya Bonobo Sanctuary, Democratic Republic of Congo

Cyril Ruoso / Bonobo (Pan paniscus) orphan babies, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo. Non-ex

Cyril Ruoso / Bonobo (Pan paniscus) newborn baby sleeping next to mother, Lola Ya Bonobo Sanctuary, Democratic Republic of Congo. Non-ex

Cyril Ruoso / Bonobo (Pan paniscus) foraging in river, Lola Ya Bonobo Sanctuary, Democratic Republic of the Congo. Non-ex

Theo Webb / Female Bonobo (Pan paniscus) resting, Max Planck research site LuiKotale in Salonga National Park, Democratic Republic of Congo.