The Kinabatangan River is fuelled by yearly monsoons as it courses through a hub of diversity. The crocodile has a close association with the river that has earned her a totemic status. In shallow pools endemic Fighting Fish battle for territory. Further on, Clouded Leopards stalk primates, and Flying Snakes perform death-defying leaps. As we make our way down to the floodplain we pass soaring forests inhabited by one of the most well-known and beloved of Borneo’s natives; the Orang-utan.