patterns. We anticipate that this ethogram will contribute to the synthesis of the chimpanzee genome study. The audio-visual ethogram will be useful not only in facilitating more precise comparisons between sites, but also in providing students and ordinary people with knowledge and materials that will stimulate them to conserve great apes. Listing the behavioral patterns of a local population of chimpanzees in principle includes: behavioral patterns of the LCA of Pan and Homo; patterns common to the genus Pan, namely chimpanzees and bonobos, but not to Homo; patterns common to the chimpanzee Pan troglodytes, but not the bonobo Pan paniscus; patterns common to eastern and central, but not western and Nigerian chimpanzees, in view of the recent cladistic analyses of culture; patterns unique to the eastern chimpanzees, P.