Its cousin, the eastern lowlandgorilla, is less prevalent (fewer than 20, 000 individuals) and can only be found in the rainforests of the eastern Democratic Republic of Congo, says WWF.
And when the activities on offer include face-to-face encounters with habituated west lowlandgorilla families, jungle walks with local Baka (or pygmy) guides and pirogue trips downriver in search of birds and other wildlife, it is hardly a surprise that Odzala has been garnering such attention.