time. 58 years old. See Fig. 22. Fig. 22 Juvenile: Eight-year-old male 104 K Kabogo Study area of Pan troglodytes schweinfurthii in western Tanzania. Research done from 19 1 to 19 3 by K. Imanishi and colleagues. Kahuzi Study area of Pan troglodytes schweinfurthii in Kahuzi-Biega National Park, Democratic Republic of Congo. Research organized by J. Yamagiwa from 1991 to present. Kalinzu Study area of Pan troglodytes schweinfurthii in Kalinzu Forest Reserve, Uganda. Research organized by C. Hashimoto and T. Furuichi, continuing from 1995 to present. Kanka Sili Study area of Pan troglodytes verus near Kindia in Guinea. Pioneer studies done by A. Kortlandt in the early 19 0s and his colleagues in 19 819 9. Kanyawara Study area of Pan troglodytes schweinfurthii in Kibale National Park, Uganda.