Preface, Serge A. Wich, S. Suci Utami Atmoko, Tatang Mitra Setia, and Carel P. van Schaik 1. Taxonomy, geographic variation and population genetics of Bornean and Sumatran orangutans, Benoît Goossens et al 2. The functional significance of variation in jaw form in orangutans: The African apes as an ecogeographic model, Andrea B. Taylor 3. Orangutan positional behavior: inter-specific variation and ecological correlates, Suzannah K.
S. Thorpe and Robin H. Crompton 4. A description of the orangutan's vocal and sound repertoire, with a focus on geographic variation, Madeleine E. Hardus et al 5. Orangutan life history variation, Serge A. Wich et al 6. Orangutan distribution, density, abundance and impacts of disturbance, Simon J.
Husson et al 7. The effects of forest phenology and floristics on populations of Bornean and Sumatran orangutans: are Sumatran forests better orangutan habitat than Bornean forests?, Andrew J. Marshall et al 8. Orangutan activity budgets and diet: A comparison between species, populations and habitats, Helen C. Morrogh-Bernard et al 9. Geographic variation in orangutan diets, Anne E. Russon et al 10. Parasites and their impacts on orangutan health, Ivona Foitová et al 11.
The ecology of female reproduction in wild orangutans, Cheryl D. Knott et al 12. Development of independence: Sumatran and Bornean orangutans compared, Maria A. van Noordwijk et al 13. Ranging behavior of orangutan females and social organization, Ian Singleton et al 14. Geographical variation in orangutan long calls, Roberto A. Delgado et al 15. Male-male relationships in orangutans, S Suci Utami Atmoko et al 16.
Orangutan mating behavior and strategies, S. Suci Utami Atmoko et al 17. Social organization and male-female relationships, Tatang Mitra Setia et al 18. Ecological sex differences in wild orangutans, Carel P. van Schaik et al 19. Nest building in orangutans, Didik Prasetyo et al 20. Innovation and intelligence in orangutans, Anne E. Russon et al 21.
Orangutan cultures revisited, Carel P. van Schaik et al 22. Orangutan population biology, life history, and conservation: Perspectives from PVA models, Andrew J. Marshall et al 23. Orangutan rehabilitation and reintroduction: Successes, failures, and role in conservation, Anne E. Russon 24. Geographic variation in orangutan behavior and biology: its functional interpretation and its mechanistic basis, Carel P. van Schaik, Andrew J.
Marshall, and Serge A. Wich References Index.