Chimpanzees of the Budongo Forest : Ecology, Behaviour, and Conservation

Counting chimpanzees in a community 23

Fig. 2.2: The author with field assistants Geresomu Muhumuza and Zephyr Kiwede in the forest
(photo: V.R.).

0

10

92Oct–Dec93Jan–Mar93Apr–Jun93Jul–Sep93Oct–Dec94Jan–Mar94Apr–Jun94Jul–Sep94Oct–Dec95Jan–Mar95Apr–Jun95Jul–Sep95Oct–Dec96Jan–Mar96Apr–Jun96Jul–Sep96Oct–Dec

20

30

Time (three-month periods)

No. of individuals

40

50

60

IF IM JF JM SAF SAM AF AM

Fig. 2.1: Increase in numbers of Sonso chimpanzees over the years 1992–1996.
Key: Ffemale, Mmale, Iinfant, JJuvenile, SAsubadult, Aadult