It has been twelve years since a work relating to the long-tailed African monkeys known as the guenons has been published and fifteen years have passed since the last major scientific symposium was held that was solely dedicated to current research on members of this monkey group living in the wild. Since that time, new guenon species and subspecies have been discovered, previously unstudied guenon species have become the subject of long-term research projects, and knowledge of the more well-known guenon species has greatly increased. This volume presents novel information and keen insight on research previously studied and newly discovered. A wide range of topics related to guenon biology is presented, including evolution, taxonomy, biogeography, reproductive physiology, social and positional behavior, ecology, and conservation. Composed of 26 chapters compiled by 47 authors, many of whom are young investigators in their field, The Guenons: Diversity and Adaptation in African Monkeys provides a valuable resource for researchers and scientists in the fields of anthropology, primatology, zoology, and conservation biology.

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List of Contributors. Preface. Part I: Evolutionary Biology and Biogeography. 1. The Guenons: An Overview of Taxonomy and Diversity; T.M. Butynski. 2. Y-chromosomal Window onto the History of Terrestrial Adaptation in the Cercopithecini; A.J. Tosi, et al. 3. Molecular Timescale and Gene Tree Incongruence in the Guenons; T. Disotell, R. Raaum. 4. Phylogeny of the Cercopithecus lhoesti Group Revisited: Combining Multiple Character sets; J.-P. Gautier, et al. 5. Terrestriality and the Maintenance of the Disjunct Geographical Distribution in the lhoesti group; B. Kaplin. 6. A Biogeographical Analysis of Central African Guenons; M. Colyn, P. Deleporte. 7. Hybridization Between Red-tailed Monkeys (Cercopithecus ascanius) and Blue Monkeys (C. mitis) in East African forests; K. Detwiler. 8. Genetic Study of Translocated Guenons: Cercopithecus mona on Grenada; K.A. Horsburgh, et al. Part II: Behavior. 9. Diversity of Guenon Positional Behavior; W.S. McGraw. 10. Unique Behavior of Mona Monkeys, Cercopithecus mona: All-male Groups and Copulation Calls; M.E. Glenn, et al. 11. Group Fission in Red-tailed Guenons (Cercopithecus ascanius) in the Kibale National Park, Uganda; T. Windfelder, J.S. Lwanga. 12. Interindividual Proximity and Surveillance of Associates in Comparative Perspective; A. Treves, P. Baguma. 13. Why Vervets (Cercopithecus aethiops) Live in Multi-male Groups; L.A. Isbell, et al. 14. When are There Influxes in Blue Monkey Groups? M. Cords. 15. Costs and Benefits of Alternative Mating Strategies in Samango Monkey Males; M.C. Macleod, et al. 16. Female Reproductive Endocrinology in Wild Blue Monkeys: a Preliminary Assessment and Discussion of Potential Adaptive Functions; K. Pazol, et al. 17. Grooming and Social Cohesion in Patas Monkeys and Other Female-bonded Guenons; J. Chism, W. Rogers. 18. Development of Mother-infant Relationships and Infant Behavior in Wild Blue Monkeys (Cercopithecus mitis); S. Förster, M. Cords. 19. Influence of Foraging Adaptations on Play Activity in Red-tailed and Blue Monkeys with Comparisons to Colobus Monkey; E.A. Worch. 20. Effects of Natural and Sexual Selection on the Evolution of Guenon Loud Calls; K. Zuberbühler. Part III: Ecology. 21. Resource Switching in Guenons: a Community Analysis of Dietary Flexiblity; J. Lambert. 22. Variation in the Diet of Cercopithecus species: Differences Within Forests, Among Forests and Across Species; C.A. Chapman, et al. 23. Diet of the Roloway Monkey, Cercopithecus diana roloway, in Bia National Park, Ghana; S. Hunt Curtin. Part IV: Conservation. 24. Conservation of Fragmented Populations of Cercopithecus mitis in South Africa: the Role of Reintroduction, Corridors and Metapopulation Ecology; M.J. Lawes. 25. Assessing Extinction Risk in Cercopithecus monkeys; T. Ukizintambara, C. Thebaud. 26. Conservation of the Guenons: An Overview of Status, Threats, and Recommendations; T.M. Butynski. Editors' Conclusion. Literature Cited. Index.