| Acknowledgment | 7 |
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| Contents | 8 |
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| Contributors | 11 |
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| Introduction | 15 |
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| Advancing the Study of South American Primates | 16 |
| 1.1 Introduction | 16 |
| 1.2 Organization of the Volume | 20 |
| References | 29 |
| Taxonomy, Distribution, Evolution, and Historical Biogeography of South American Primates | 33 |
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| The Diversity of the NewWorld Primates (Platyrrhini): An Annotated Taxonomy | 34 |
| 2.1 Introduction | 34 |
| 2.2 Families, Subfamilies and Genera | 35 |
| 2.3 Species and Subspecies | 37 |
| 2.4 Discussion | 56 |
| 2.5 Summary | 57 |
| References | 58 |
| Paleogeography of the South Atlantic: a Route for Primates and Rodents into the NewWorld? | 66 |
| 3.1 Introduction | 66 |
| 3.2 Material and Methods | 68 |
| 3.3 Results | 70 |
| 3.4 Discussion | 70 |
| 3.5 Summary | 75 |
| References | 76 |
| Platyrrhine Ecophylogenetics in Space and Time | 80 |
| 4.1 Introduction | 80 |
| 4.2 Before Platyrrhines: Paleoecology of SAM | 85 |
| 4.3 NWM: the Temporospatial and Ecophylogenetic Setting | 93 |
| 4.4 The Platyrrhine Provinces in Space and Time | 96 |
| 4.5 Discussion | 105 |
| 4.6 Summary | 115 |
| References | 116 |
| Recent Theoretical Advances in Primate Behavior and Ecology | 125 |
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| Demographic and Morphological Perspectives on Life History Evolution and Conservation of NewWorld Monkeys | 126 |
| 5.1 Introduction | 126 |
| 5.2 Demographic Models | 127 |
| 5.3 Simple Demographic Models for New World Monkeys | 129 |
| 5.4 Life History Modes and Ontogeny | 132 |
| 5.5 Conclusions | 141 |
| 5.6 Summary | 141 |
| Appendix | 142 |
| References | 143 |
| Long-Term Field Studies of South American Primates | 148 |
| 6.1 Introduction | 148 |
| 6.2 Types of Long-Term Studies | 149 |
| 6.3 Population Dynamics | 156 |
| 6.4 Population Viabilities | 159 |
| 6.5 Challenges for the Future | 159 |
| 6.6 Summary | 160 |
| References | 161 |
| Sexual Selection, Female Choice and Mating Systems | 165 |
| 7.1 General Introduction | 165 |
| 7.2 Case Studies: Black Tufted Capuchin Monkeys, (Cebus nigritus) | 168 |
| 7.3 White-Faced Capuchins, Cebus capucinus | 175 |
| 7.4 Squirrel Monkeys, Saimiri sciureus | 181 |
| 7.5 General Discussion | 189 |
| 7.6 Summary | 191 |
| References | 192 |
| The Reproductive Ecology of South American Primates: Ecological Adaptations in Ovulation and Conception | 198 |
| 8.1 Introduction | 198 |
| 8.2 Discussion | 210 |
| 8.3 Summary | 211 |
| References | 212 |
| Genetic Approaches to the Study of Dispersal and Kinship in NewWorld Primates | 218 |
| 9.1 Introduction | 218 |
| 9.2 A Brief Review of Theory and Methods | 220 |
| 9.3 Genetic Studies of Dispersal and Kinship in Primates | 227 |
| 9.4 Methods | 233 |
| 9.5 Results | 237 |
| 9.6 Discussion | 246 |
| 9.7 Conclusions | 248 |
| 9.8 Summary | 248 |
| References | 249 |
| Predation Risk and Antipredator Strategies | 258 |
| 10.1 Introduction | 258 |
| 10.2 Predators | 259 |
| 10.3 Platyrrhine Morphology | 260 |
| 10.4 Antipredator Behavior | 269 |
| 10.5 Patterns of Predation | 274 |
| 10.6 Summary | 279 |
| References | 280 |
| Mechanical and Nutritional Properties of Food as Factors in Platyrrhine Dietary Adaptations | 285 |
| 11.1 Introduction | 285 |
| 11.2 General Characteristics of Platyrrhine Diets | 287 |
| 11.3 Materials and Methods: Our Approach in this Chapter | 288 |
| 11.4 Mechanical Assessment of Platyrrhine Masticatory Apparatus Form | 289 |
| 11.5 Mechanical Properties of Fruit Ingested by Platyrrhines | 299 |
| 11.6 Characteristics of the Platyrrhine Gut and Digesta Retention | 303 |
| 11.7 Nutritional Characteristics of Platyrrhine Diets | 304 |
| 11.8 Integrating Morphology, Dietary Properties and Nutritional Data | 310 |
| 11.9 Future Directions in Studying Platyrrhine Feeding Adaptations | 316 |
| References | 318 |
| Neutral and Niche Perspectives and the Role of Primates as Seed Dispersers: A Case Study from Rio Paratari, Brazil | 326 |
| 12.1 Introduction | 326 |
| 12.2 Methods | 329 |
| 12.3 Results | 333 |
| 12.4 Discussion | 337 |
| 12.5 Summary | 341 |
| References | 342 |
| The Use of Vocal Communication in Keeping the Spatial Cohesion of Groups: Intentionality and Specific Functions | 346 |
| 13.1 Introduction | 346 |
| 13.2 To Inform or Not to Inform? That Is the Question | 351 |
| 13.3 Contact Calls, Yes, and so What? | 355 |
| 13.4 The Moo Call: Applying the Scheme | 358 |
| 13.5 Proposed Study Designs: a Road Map to Contact Calls | 359 |
| 13.6 Playback Experiments | 363 |
| 13.7 Summary | 364 |
| References | 365 |
| Primate Cognition: Integrating Social and Ecological Information in Decision-Making | 369 |
| 14.1 Introduction | 369 |
| 14.2 Methods | 372 |
| 14.3 Results | 375 |
| 14.4 Discussion | 380 |
| 14.5 Summary | 385 |
| References | 386 |
| Conservation and Management of South American Primates | 390 |
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| Impacts of Subsistence Game Hunting on Amazonian Primates | 391 |
| 15.1 Introduction | 391 |
| 15.2 Effects of Hunting
|