An adult female and two juvenile females licking a rock. 4. Grooming party of six adult males. 5. An adult female, Gwekulo, resting in the bush with her adopted juvenile daughter, Puffy. A juvenile female, Mitsue, looking at her own image in a stream. 7. An adult male and two adult females grooming on a fallen log. 8. A newly-immigrated female, Ua, who did not descend to the ground when human observers were present. 9. An adolescent male, Caesar, self-grooming. 10. A juvenile female, Mitsue. T. Nishida et al., Chimpanzee Behavior in the Wild: An Audio-Visual Encyclopedia, DOI 10.1007/978-4-431-53895-0 1, Springer 2010 1 Introduction This book is an audio-visual ethogram that lists, describes, and defines, with video clips, all the known behavioral patterns of wild chimpanzees. As far