Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) dominant male, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) mother with baby drinking, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) three month old baby in tree, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) mother holding baby, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) baby grabbing mother's nose, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) mother and baby, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) mother nursing four month old baby, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) baby clinging to mother, Sabah, Borneo, Malaysia

Suzi Eszterhas / Proboscis Monkey (Nasalis larvatus) male feeding on mangrove leaves, Sabah, Borneo, Malaysia

Juan Carlos Munoz / Proboscis monkey (Nasalis larvatus), Sabah Malaysia, Borneo.

Christophe Courteau / Proboscis monkey (Nasalis larvatus) male preparing to jump. Low tide in the mangroves, Bako National Park, Sarawak, Borneo, Malaysia

Christophe Courteau / Proboscis monkey (Nasalis larvatus) female in mangroves, carrying her baby on her front. Bako National Park, Sarawak, Borneo, Malaysia