Apart from noise, the prime means of tracking the nests are useful signs of recent presence. The sounds of other primates constantly echo around the forest. Black and white colobus , the only true leaf eating monkey genus, leap and chatter in the tall forest canopy. The distinctive low frequency boom of the male blue monkey is a very peculiar sound to the forest. Signs of elephant, buffalo and bushbuck are frequent along the pathways, and though present in good numbers, forest duikers are a rare sighting.
Snakes are relatively common in the forest but are usually picked out only with a trained eye.
They are very shy and quite territorial, but the guides are familiar with their regular resting spots. Butterflies and moths constantly flutters across the path and some particularly members of the Charaxes genus are ery rare. There are 42 species of butterfly which have been identified in the forest, including the Africa giant swallowtail, which is the largest butterfly found in Africa. There are ongoing field studies in all aspects of the forest ecology and the field assistants are extremely helpful and knowledgeable. The facilities for an overnight stay are basic, but as a stopover to or from the part it is definitely worthwhile.