Trekking through this forest is a unique opportunity to better understand primates, but it is an experience that must be earned. At first, you may feel as though you are walking in circles without a clear direction. You will delve deep into parts of the forest teeming with life but shrouded in shadow, where the canopy is so dense that light barely penetrates—until, finally, their cries pierce the air.

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While they prefer the high branches, you may have the privilege of seeing them descend to the forest floor to "fish" for termites using sticks. You can then follow them closely through the undergrowth before they vanish back into the heights. Being so close to them is a profound experience; although habituated to human presence, they retain all of their wild character.

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If you wonder which species of primate you are observing, look for a tail. While the various monkey species in the forest—such as red-tailed monkeys, vervet monkeys, or black-and-white colobus—have tails, great apes (such as chimpanzees) do not.

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Chimpanzees communicate through a complex system of calls and facial expressions. To communicate over long distances, they use powerful calls known as "pant-hoots" or drum on the massive roots of trees like a drum.

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At the end of the day, the construction of their sleeping platforms in the canopy is a fascinating sight. In just minutes, they interlock branches and line them with leaves to create a cozy berth. Following the rhythm of the equatorial sun, chimpanzees settle in at dusk for a twelve-hour rest, only leaving this refuge at the first light of dawn.