Surveys have taken place in the site between July and October 2018 and between October 2020 and October 2021. During these surveys, a total of 809 chimpanzee nests were recorded while walking a total distance of 155.1 km distributed along 37 recce transects, which averaged 4.19 km per transect (Diallo et al. 2022). | Surveys have taken place in the site between July and October 2018 and between October 2020 and October 2021. During these surveys, a total of 809 chimpanzee nests were recorded while walking a total distance of 155.1 km distributed along 37 recce transects, which averaged 4.19 km per transect (Diallo et al. 2022). |