| Density (Indiv. per km2) | Source |
|---|---|
| 0.35 -.40 (520-600/1500km2) Mahale - whole park | Kano. T., 1972. Distribution and adaptation of the chimpanzee on the eastern shore of Lake Tanganyika. Kyoto University of African Studies, 7:37-129. |
| .15-.18 (320-400/2200km2) Masito Area (incl. Kasakati & Filibanga) | See above |
| .18-.29 (200-320/1100km2) Mukuyu Area (incl. Kabogo) | See above |
| 7.6 (106/14km2) M group home range: 1981-82 | Hairaiwa-Hasegawa, M., Hasegawa, T. & Nishida, T. 1984. Demographic study of a large-sized unit-group of chimpanzees in the Mahale Mountains, Tanzania: A Preliminary Report. Primates, 25(4):401-413. |
| .6-2.5 (9-37/15km2) K group (1967-83) | See above. Range from Kano, 1972. |
| .21-.22 (46-47/215km2) Kasakati (1963-66) | See above. Range from Kano, 1972. |
| .21 (43/200km2) Filabanga (1965) | See above. Range from Kano, 1972. |
| .96 (480/500km2) Study group & surrounding groups | Nishida, T., Takasaki, H. & Takahata, Y. (1990). Demography and reproductive profiles. In Nishida, T., The Chimpanzees of the Mahale Mountains: Sexual and Life History Strategies (pp.63-97). Tokyo: University of Tokyo Press. |
| .43 (700/1613km2) Whole park | See above |
| 2.4-3.2 (60-80/25km2) 2-2.7 (60-80/30km2) B Group | See above |
| 1.4 (10/7km2) K Group | See above |
| 4.3 (90/21km2) M Group | See above |
| 4.8 (29/6km2) K Group, 1967, based on nomadic range | Nishida, T. (1968). The social group of wild chimpanzees in the Mahali Mountains. Primates, 9:167-224. |
| 2.8 (29/10.4km2) K Group | Nishida, T. (1979). The social structure of chimpanzees. In Hambug, D.A. & McCown, E.R., The Great Apes (pp.73-121).Menlo Park: Benjamin/Cummins Publishing Co. |
| 5.4 (114/21km2) K & M Groups | Hasegawa, T. & Hiraiwa-Hasegawa, M. 1983. Opportunistic and restrictive matings among wild chimpanzees in the Mahale Mountains, Tanzania. J. Ethol. 1:75-85. |
| 5.8 K&M Groups | Collins, D. A. & McGrew, W. C. (1988). Habitats of three groups of chimpanzees (Pan troglodytes) in western Tanzania compared. J. Hum. Evol. 17: 553-574. |
| 1.1-1.7(100-150/91km2) Kasakati | Izawa, K. & Itani, J. (1966). Chimpanzees in Kasakati Basin, Tanganyika. (I) Ecological stuy in the rainy season 1963-1964. Kyoto Univ. African Studies, 1:73-156. |
| 1.5 (70/45km2) Kabogo Point Area | See above |
| .50-.75 (100-150/201.3km2) Kasakati | Suzuki, A. (1969). An ecological study of chimpanzees in a savanna woodland. Primates, 10:103-148. |
| .50-.60(80-120/198.5km2) Filibanga | See above |
| 2.4 (110/45km2) Ititye-Kasakati area | Izawa, J. (1970). Unit groups of chimpanzees and their nomadism in the savanna woodland. Primates, 11:1-46. |
| 0.2 (30/150km2) Filibanga | Kano,T. (1971). The chimpanzee of Filibanga, western Tanzania. Primates, 12:229-46. |
| 2.3 (24/10km2, maybe 21km2) K Group - home range (1969) | Nishida, T. & Kawanaka, K. (1972). Inter-unit-group relationships among wild chimpanzees of the Mahali Mountains. Kyoto Univ. African Studies, 7:131-169. |
| 3.5-4.7 (60-80/17km2, may be 34km2) M Group | See above |
| 1.1-2.0 (21-34km2) Kasoge | Baldwin, P. J., McGrew, W. C. & Tutin, C. E. G. (1982). Wide-ranging chimpanzees at Mt. Assirik, Senegal. Int. J. Primatol. 3: 367-385. Based on Nishida & Kawanaka (1972), p. 133. |
| 0.5-0.75 (25-200km2) Kasakati Basin | See above. Based on Suzuki, (1969), p. 133. |
| 0.3-0.4 (122-1242) Kasakati Basin | See above. Based on Izawa (1970), pp.34 & 35. |
| 0.2 (150km2) Filabanga | See above. Based on Kano (1971), p.241. |