Time allocation and the evolution of group size

[1]  C. Marsh.  Comparative Aspects of Social Organization in the Tana River Red Colobus, Colobus badius rufomitratus , 2010 .

[2]  T. Clutton‐Brock,et al.  Primate ecology and social organization , 2009 .

[3]  D. Maddison,et al.  Mesquite: a modular system for evolutionary analysis. Version 2.6 , 2009 .

[4]  Tina W. Wey,et al.  Social network analysis of animal behaviour: a promising tool for the study of sociality , 2008, Animal Behaviour.

[5]  Robin I. M. Dunbar,et al.  Time Constraints Limit Group Sizes and Distribution in Red and Black-and-White Colobus , 2007, International Journal of Primatology.

[6]  Kate E. Jones,et al.  The delayed rise of present-day mammals , 1990, Nature.

[7]  N. Agetsuma,et al.  Effects of habitat differences on feeding behaviors of Japanese monkeys: Comparison between Yakushima and Kinkazan , 1998, Primates.

[8]  N. Agetsuma.  Foraging strategies of yakushima macaques(Macaca fuscata yakui) , 1995, International Journal of Primatology.

[9]  R. Verheyen,et al.  A review of terminology on aggregation patterns in bonobos (Pan paniscus) , 1995, International Journal of Primatology.

[10]  W. Hamilton,et al.  Rank and density correlates of inclusive fitness measures in a natural chacma baboon (Papio ursinus) troop , 1987, International Journal of Primatology.

[11]  R. W. Byrne,et al.  The behavioral ecology of mountain baboons , 1987, International Journal of Primatology.

[12]  Robin I. M. Dunbar.  Habitat quality, population dynamics, and group composition in Colobus Monkeys (Colobus guereza) , 1987, International Journal of Primatology.

[13]  K. Milton.  Habitat, diet, and activity patterns of free-ranging woolly spider monkeys (Brachyteles arachnoides E. Geoffroy 1806) , 1984, International Journal of Primatology.

[14]  S. Gaulin,et al.  Behavioral ecology ofAlouatta seniculus in Andean cloud forest , 1982, International Journal of Primatology.

[15]  J. Mitani.  The Chimpanzees of the Budongo Forest , 2006, International Journal of Primatology.

[16]  J. Dietz,et al.  Effects of Individual and Group Characteristics on Feeding Behaviors in Wild Leontopithecus rosalia , 2006, International Journal of Primatology.

[17]  Robin I. M. Dunbar,et al.  Time as a constraint on group size in spider monkeys , 2006, Behavioral Ecology and Sociobiology.

[18]  P. Newton.  Feeding and ranging patterns of forest hanuman langurs (Presbytis entellus) , 1992, International Journal of Primatology.

[19]  H. Ihobe.  Male-male relationships among wild bonobos (Pan paniscus) at Wamba, Republic of Zaire , 1992, Primates.

[20]  N. Koyama.  Mating behavior of ring-tailed lemurs (Lemur catta) at Berenty, Madagascar , 1988, Primates.

[21]  K. J. Gurmaya.  Ecology and behavior ofPresbytis thomasi in Northern Sumatra , 1986, Primates.

[22]  Yayat Ruhiyat,et al.  Socio-ecological study ofPresbytis aygula in West Java , 1983, Primates.

[23]  W. McGrew,et al.  Social organization of savanna-dwelling chimpanzees,Pan troglodytes verus, at Mt. Assirik, Senegal , 1983, Primates.

[24]  B. P. Wheatley.  Energetics of foraging inMacaca fascicularis andPongo pygmaeus and a selective advantage of large body size in the orang-utan , 1982, Primates.

[25]  Takayoshi Kano,et al.  The social group of pygmy chimpanzees (Pan paniscus) of Wamba , 1982, Primates.

[26]  T. Defler.  The density ofAlouatta seniculus in the eastern llanos of Colombia , 1981, Primates.

[27]  C. Anderson.  Subtrooping in a chacma baboon (Papio ursinus) population , 1981, Primates.

[28]  F. Álvarez,et al.  Behaviour of the red howler monkey (Alouatta seniculus) in the Llanos of Venezuela , 1981, Primates.

[29]  I. Bolin.  Male parental behavior in black howler monkeys (Alouatta palliata pigra) in Belize and Guatemala , 1981, Primates.

[30]  K. Izawa,et al.  Social behavior of the wild black-capped Capuchin (Cebus apella) , 1980, Primates.

[31]  T. Defler.  On the ecology and behavior ofCebus albifrons in eastern Colombia: I. Ecology , 1979, Primates.

[32]  R. Mittermeier,et al.  A brief survey of the primates of Coiba Island, Panama , 1977, Primates.

[33]  M. Rose.  Interspecific play between free ranging guerezas (Colobus guereza) and vervet monkeys (Cercopithecus aethiops) , 1977, Primates.

[34]  K. Izawa.  Group sizes and compositions of monkeys in the upper Amazon basin , 1976, Primates.

[35]  H. Schneider,et al.  Spider monkey, Muriqui and Woolly monkey relationships revisited , 2006, Primates.

[36]  S. Uehara.  Grouping patterns of wild pygmy chimpanzees (Pan paniscus) observed at a marsh grassland amidst the tropical rain forest of Yalosidi, Republic of Zaïre , 2006, Primates.

[37]  Robin I. M. Dunbar,et al.  Social organization of gelada baboons: Social units and definitions , 2006, Primates.

[38]  Jeffrey K. Stelzner.  Thermal effects on movement patterns of yellow baboons , 2006, Primates.

[39]  Robin I. M. Dunbar,et al.  Both social and ecological factors predict ungulate brain size , 2006, Proceedings of the Royal Society B: Biological Sciences.

[40]  L. Leaver,et al.  Grazing and vigilance by Soay sheep on Lundy island: Influence of group size, terrain and the distribution of vegetation , 2005, Behavioural Processes.

[41]  T. Caro,et al.  Antipredator Defenses in Birds and Mammals , 2006 .

[42]  N. Vasey.  Activity budgets and activity rhythms in red ruffed lemurs (Varecia rubra) on the Masoala Peninsula, Madagascar: seasonality and reproductive energetics , 2005, American journal of primatology.

[43]  E. Erhart,et al.  Does female dominance facilitate feeding priority in black‐and‐white ruffed lemurs (Varecia variegata) in southeastern Madagascar? , 2005, American journal of primatology.

[44]  L. Dill,et al.  Cost/benefit analysis of group and solitary resting in the cowtail stingray, Pastinachus sephen , 2005 .

[45]  K. Strier,et al.  Demography and social structure of one group of muriquis (Brachyteles arachnoides) , 1993, International Journal of Primatology.

[46]  A. Kumar,et al.  Time budget and activity patterns of the lion-tailed macaque (Macaca silenus) , 1993, International Journal of Primatology.

[47]  J. Mitani.  Demography of agile gibbons (Hylobates agilis) , 1990, International Journal of Primatology.

[48]  A. Whiten,et al.  ‘Agonistic buffering’ in the wild barbary macaque,Macaca sylvana L. , 1973, Primates.

[49]  Toshisada Nishida,et al.  The social group of wild chimpanzees in the Mahali Mountains , 1968, Primates.

[50]  J. Itani,et al.  The social unit of chimpanzees , 1967, Primates.

[51]  A. Fiore.  Diet and Feeding Ecology of Woolly Monkeys in a Western Amazonian Rain Forest , 2004, International Journal of Primatology.

[52]  F. Berkes,et al.  Combining Science and Traditional Ecological Knowledge: Monitoring Populations for Co-Management , 2004 .

[53]  J. Dietz,et al.  Diet, foraging, and use of space in wild golden‐headed lion tamarins , 2004, American journal of primatology.

[54]  Christophe Boesch,et al.  To fission or to fusion: effects of community size on wild chimpanzee (Pan troglodytes verus) social organisation , 2004, Behavioral Ecology and Sociobiology.

[55]  J. Silk,et al.  Patterns of coalition formation by adult female baboons in Amboseli, Kenya , 2004, Animal Behaviour.

[56]  C. Nunn,et al.  Females drive primate social evolution , 2004, Proceedings of the Royal Society of London. Series B: Biological Sciences.

[57]  G. Hanya.  Diet of a Japanese Macaque Troop in the Coniferous Forest of Yakushima , 2004, International Journal of Primatology.

[58]  Elizabeth Rogers,et al.  Habitat Quality and Activity Budgets of White-Headed Langurs in Fusui, China , 2004, International Journal of Primatology.

[59]  David Lusseau,et al.  The Hidden Cost of Tourism: Detecting Long-term Effects of Tourism Using Behavioral Information , 2004 .

[60]  F. Wei,et al.  Sleeping Cave Selection, Activity Pattern and Time Budget of White-Headed Langurs , 2003, International Journal of Primatology.

[61]  P. Sicotte,et al.  Effect of Group Size on Activity Budgets of Colobus vellerosus in Ghana , 2003, International Journal of Primatology.

[62]  J. Cheverud,et al.  Scaling of Sexual Dimorphism in Body Mass: A Phylogenetic Analysis of Rensch's Rule in Primates , 2002, International Journal of Primatology.

[63]  Peter J. Fashing.  Activity and Ranging Patterns of Guerezas in the Kakamega Forest: Intergroup Variation and Implications for Intragroup Feeding Competition , 2001, International Journal of Primatology.

[64]  Beth A. Kaplin,et al.  Ranging Behavior of Two Species of Guenons (Cercopithecus lhoesti and C. mitis doggetti) in the Nyungwe Forest Reserve, Rwanda , 2001, International Journal of Primatology.

[65]  Anthony Di Fiore,et al.  Time Allocation Patterns of Lowland Woolly Monkeys (Lagothrix lagotricha poeppigii) in a Neotropical Terra Firma Forest , 2001, International Journal of Primatology.

[66]  K. Strier,et al.  Population Variation in Patch and Party Size in Muriquis (Brachyteles arachnoides) , 1998, International Journal of Primatology.

[67]  D. Doran.  Influence of Seasonality on Activity Patterns, Feeding Behavior, Ranging, and Grouping Patterns in Taï Chimpanzees , 1997, International Journal of Primatology.

[68]  J. L. Gittleman,et al.  Constraints on group size in primates and carnivores: population density and day-range as assays of exploitation competition , 1993, Behavioral Ecology and Sociobiology.

[69]  Robin I. M. Dunbar,et al.  Time: a hidden constraint on the behavioural ecology of baboons , 1992, Behavioral Ecology and Sociobiology.

[70]  R. J. Boer,et al.  The effect of group size on time budgets and social behaviour in wild long-tailed macaques (Macaca fascicularis) , 1983, Behavioral Ecology and Sociobiology.

[71]  J. Diamond,et al.  Life-history patterns and sociality in canids: Body size, reproduction, and behavior , 1981, Oecologia.

[72]  J. Wienberg,et al.  The phylogeny of howler monkeys (Alouatta, Platyrrhini): Reconstruction by multicolor cross-species chromosome painting , 2004, Chromosome Research.

[73]  K. Knopff,et al.  Diet and activity in black howler monkeys (Alouatta pigra) in southern Belize: does degree of frugivory influence activity level? , 2004, Primates.

[74]  Mary Poss,et al.  Social Organization and Parasite Risk in Mammals: Integrating Theory and Empirical Studies , 2003 .

[75]  Jeanne Altmann,et al.  Social Bonds of Female Baboons Enhance Infant Survival , 2003, Science.

[76]  O. Olsson,et al.  Does information sharing promote group foraging? , 2003, Proceedings of the Royal Society of London. Series B: Biological Sciences.

[77]  R. A. Hill,et al.  Day length, latitude and behavioural (in)flexibility in baboons (Papio cynocephalus ursinus) , 2003, Behavioral Ecology and Sociobiology.

[78]  Y. Shimooka,et al.  Seasonal variation in association patterns of wild spider monkeys (Ateles belzebuth belzebuth) at La Macarena, Colombia , 2003, Primates.

[79]  D. Blumstein,et al.  Red kangaroos (Macropus rufus) receive an antipredator benefit from aggregation , 2003, acta ethologica.

[80]  E. Bermingham,et al.  Molecular systematics and biogeography of the Neotropical monkey genus, Alouatta. , 2003, Molecular phylogenetics and evolution.

[81]  R. R. Krausz.  Living in Groups , 2013 .

[82]  David W. Macdonald,et al.  Does the resource dispersion hypothesis explain group living , 2002 .

[83]  L. Barrett,et al.  CONSTRAINTS ON RELATIONSHIP FORMATION AMONG FEMALE PRIMATES , 2002 .

[84]  C. Nunn,et al.  A Comparative Approach to Reconstructing the Socioecology of Extinct Primates , 2002 .

[85]  C. Schaik,et al.  Reconstructing Behavior in the Primate Fossil Record , 2002, Advances in Primatology.

[86]  D.,et al.  THE EVOLUTION OF SOCIAL BEHAVIOR , 2002 .

[87]  C. Chapman,et al.  Determinants of group size in the red colobus monkey (Procolobus badius): an evaluation of the generality of the ecological-constraints model , 2001, Behavioral Ecology and Sociobiology.

[88]  D. Blumstein,et al.  Yellow-Footed Rock-Wallaby Group Size Effects Reflect A Trade-Off , 2001 .

[89]  C. Clark,et al.  Seasonal variation in the feeding ecology of the grey‐cheeked mangabey (Lophocebus albigena) in Cameroon , 2001, American journal of primatology.

[90]  C. Schaik,et al.  Competition and group size in Thomas’s langurs (Presbytis thomasi): the folivore paradox revisited , 2001, Behavioral Ecology and Sociobiology.

[91]  U. Thalmann,et al.  Origin and evolution of primate social organisation: a reconstruction , 2000, Biological reviews of the Cambridge Philosophical Society.

[92]  F. Aureli,et al.  Coping with Conflict during Initial Encounters in Chimpanzees , 2000 .

[93]  A. Britt.  Diet and Feeding Behaviour of the Black-and-White Ruffed Lemur (Varecia variegata variegata) in the Betampona Reserve, Eastern Madagascar , 2000, Folia Primatologica.

[94]  R. Deaner,et al.  Comparative Tests of Primate Cognition: Different Scaling Methods Produce Different Results , 2000, Brain, Behavior and Evolution.

[95]  Paul A. Garber,et al.  On the move : how and why animals travel in groups , 2000 .

[96]  S. P. Henzi,et al.  SOCIAL BONDS AND THE COHERENCE OF MOUNTAIN BABOON TROOPS , 2000 .

[97]  J. C. Pieczarka,et al.  Proposed chromosomal phylogeny for the South American primates of the Callitrichidae family (Platyrrhini) , 1999, American journal of primatology.

[98]  Janice C. Daniel,et al.  An experimental study of behavioural group size effects in tammar wallabies, Macropus eugenii , 1999, Animal Behaviour.

[99]  Susan Silver,et al.  Ranging behavior of translocated and established groups of black howler monkeys Alouatta pigra in Be , 1999 .

[100]  Robin I. M. Dunbar,et al.  Comparative Primate Socioecology: Energetics, time budgets and group size , 1999 .

[101]  P. C. Lee.  Comparative primate socioecology , 1999 .

[102]  Allison F. Bean.  Comparative Primate Socioecology: Ecology of sex differences in great ape foraging , 1999 .

[103]  A. Purvis,et al.  Comparative Primate Socioecology: Phylogenetically independent comparisons and primate phylogeny , 1999 .

[104]  Kate E. Jones,et al.  Comparative Primate Socioecology: Socioecology and the evolution of primate reproductive rates , 1999 .

[105]  R. Oda,et al.  Changes in the activity budget of cycling female chimpanzees , 1999, American journal of primatology.

[106]  D. Chivers.  Measuring food intake in wild animals: primates , 1998, Proceedings of the Nutrition Society.

[107]  C. Janson.  Testing the Predation Hypothesis for Vertebrate Sociality: Prospects and Pitfalls , 1998 .

[108]  C. Stanford.  Predation and male bonds in primate societies , 1998 .

[109]  K. Armitage,et al.  Life history consequences of social complexity a comparative study of ground-dwelling sciurids , 1998 .

[110]  M. Passamani.  Activity budget of Geoffroy's marmoset (Callithrix geoffroyi) in an Atlantic forest in southeastern Brazil , 1998, American journal of primatology.

[111]  C. Yeager,et al.  Feeding ecology of the black howler monkey (Alouatta pigra) in Northern Belize , 1998, American journal of primatology.

[112]  Guy Beauchamp,et al.  The effect of group size on vigilance and feeding rate in spice finches (Lonchura punctulata) , 1997 .

[113]  N. Ménard,et al.  Behavioral responses of Barbary macaques (Macaca sylvanus) to variations in environmental conditions in Algeria , 1997, American journal of primatology.

[114]  D. Hill,et al.  Seasonal variation in the feeding behavior and diet of Japanese macaques (Macaca fuscata yakui) in lowland forest of Yakushima , 1997, American journal of primatology.

[115]  P. Kappeler,et al.  Nonconvergence in the evolution of primate life history and socio-ecology , 1996 .

[116]  G. Roberts.  Why individual vigilance declines as group size increases , 1996, Animal Behaviour.

[117]  J. Terborgh,et al.  Saddle‐back tamarin (Saguinus fuscicollis) reproductive strategies: Evidence from a thirteen‐year study of a marked population , 1996, American journal of primatology.

[118]  D. Blumstein.  How Much Does Social Group Size Influence Golden Marmot Vigilance , 1996 .

[119]  C. Janson,et al.  Predicting group size in primates: foraging costs and predation risks , 1995 .

[120]  A. Purvis.  A composite estimate of primate phylogeny. , 1995, Philosophical transactions of the Royal Society of London. Series B, Biological sciences.

[121]  Andrew Rambaut,et al.  Comparative analysis by independent contrasts (CAIC): an Apple Macintosh application for analysing comparative data , 1995, Comput. Appl. Biosci..

[122]  S. L. Lima,et al.  Back to the basics of anti-predatory vigilance: the group-size effect , 1995, Animal Behaviour.

[123]  A. Di Fiore,et al.  Evolution of social organization: a reappraisal for primates by using phylogenetic methods. , 1994, Proceedings of the National Academy of Sciences of the United States of America.

[124]  C. Calegaro-Marques,et al.  Activity budget and diet of Alouatta caraya: an age-sex analysis. , 1994, Folia primatologica; international journal of primatology.

[125]  D. Miglioretti,et al.  Seasonal variation in reproduction, juvenile growth, and adult body mass in golden lion tamarins (Leontopithecus rosalia) , 1994, American journal of primatology.

[126]  E. O. Smith,et al.  Predation on a yellow baboon (Papio cynocephalus cynocephalus) by a lioness in the Tana River National Primate Reserve, Kenya , 1994, American journal of primatology.

[127]  T. Turner,et al.  Body weights of adult vervet monkeys (Cercopithecus aethiops) at four sites in Kenya. , 1994, Folia primatologica; international journal of primatology.

[128]  H. Morland.  Reproductive activity of ruffed lemurs (Varecia variegata variegata) in a Madagascar rain forest. , 1993, American journal of physical anthropology.

[129]  H. Morland.  Seasonal Behavioral Variation and Its Relationship to Thermoregulation in Ruffed Lemurs (Varecia Variegata Variegata) , 1993 .

[130]  Don E. Wilson,et al.  The Mammal Species of the World , 2009 .

[131]  K. Glander,et al.  Capture techniques and morphometrics for the woolly spider monkey, or muriqui (Brachyteles arachnoides, E. Geoffroy 1806) , 1993, American journal of primatology.

[132]  P. Kappeler,et al.  Lemur Social Systems and Their Ecological Basis , 1993, Springer US.

[133]  S. M. Ford,et al.  Systematics and body size: implications for feeding adaptations in New World monkeys. , 1992, American journal of physical anthropology.

[134]  Robin I. M. Dunbar.  Neocortex size as a constraint on group size in primates , 1992 .

[135]  C. V. van Schaik,et al.  Intrasexual competition and canine dimorphism in anthropoid primates. , 1992, American journal of physical anthropology.

[136]  G. Dasilva.  The western black-and-white colobus as a low-energy strategist : activity budgets, energy expenditure and energy intake , 1992 .

[137]  M. Kinnaird,et al.  Tana river red colobus and crested mangabey: Results of recent censuses , 1992, American journal of primatology.

[138]  F. White.  Activity Budgets, feeding behavior, and habitat use of pygmy chimpanzees at Lomako, Zaire , 1992, American journal of primatology.

[139]  F. Colmenares.  Clans and Harems in a Colony of Hamadryas and Hybrid Baboons: Male Kinship, Familiarity and the Formation of Brother-Teams , 1992 .

[140]  E. Smith,et al.  Evolutionary Ecology and Human Behavior , 1992 .

[141]  H. Gevaerts.  Birth seasons of Cercopithecus, Cercocebus and Colobus in Zaire. , 1992, Folia primatologica; international journal of primatology.

[142]  Robin I. M. Dunbar.  Functional significance of social grooming in primates , 1991 .

[143]  C. Stanford.  The Capped Langur in Bangladesh: Behavioral Ecology and Reproductive Tactics , 1991 .

[144]  H. Morland.  Preliminary Report on the Social Organization of Ruffed Lemurs (Varecia variegata variegata) in a Northeast Madagascar Rain Forest , 1991 .

[145]  M. Pagel,et al.  The comparative method in evolutionary biology , 1991 .

[146]  C. Chapman,et al.  Field methods for capture and measurement of three monkey species in Costa Rica. , 1991, Folia primatologica; international journal of primatology.

[147]  J. Oates,et al.  Determinants of Variation in Tropical Forest Primate Biomass: New Evidence from West Africa , 1990 .

[148]  D. Rumiz.  Alouatta caraya: Population density and demography in Northern Argentina , 1990, American journal of primatology.

[149]  C. Chapman,et al.  Ecological constraints on group size in three species of neotropical primates. , 1990, Folia primatologica; international journal of primatology.

[150]  A. Grafen.  The phylogenetic regression. , 1989, Philosophical transactions of the Royal Society of London. Series B, Biological sciences.

[151]  A. Rylands.  Sympatric Brazilian callitrichids: The Black Tufted-Ear Marmoset, Callithrix kuhli, and the Golden-headed Lion Tamarin, Leontopithecus chrysomelas , 1989 .

[152]  F. D. Waal,et al.  Food sharing and reciprocal obligations among chimpanzees , 1989 .

[153]  P. C. Lee,et al.  Finite social space, evolutionary pathways, and reconstructing hominid behavior. , 1989, Science.

[154]  M. Elgar,et al.  PREDATOR VIGILANCE AND GROUP SIZE IN MAMMALS AND BIRDS: A CRITICAL REVIEW OF THE EMPIRICAL EVIDENCE , 1989, Biological reviews of the Cambridge Philosophical Society.

[155]  Robin I. M. Dunbar,et al.  Maternal time budgets of gelada baboons , 1988, Animal Behaviour.

[156]  P. Rodman.  Chapter 5 – RESOURCES AND GROUP SIZES OF PRIMATES1 , 1988 .

[157]  C. Janson.  Food Competition in Brown Capuchin Monkeys (Cebus Apella): Quantitative Effects of Group Size and Tree Productivity , 1988 .

[158]  M. Symington.  Demography, ranging patterns, and activity budgets of black spider monkeys (Ateles paniscus chamek) in the Manu National Park, Peru , 1988, American journal of primatology.

[159]  John G. Robinson.  Demography and Group Structure in Wedgecapped Capuchin Monkeys, Cebus Olivaceus , 1988 .

[160]  C. Slobodchikoff.  The ecology of social behavior , 1988 .

[161]  J. Altmann,et al.  Differences in daily life between semiprovisioned and wild‐feeding baboons , 1988, American journal of primatology.

[162]  M. Cords.  Mixed-Species Association of Cercopithecus Monkeys in the Kakamega Forest, Kenya , 1987 .

[163]  Robin I. M. Dunbar.  Primate social systems , 1987 .

[164]  K. Strier.  Activity budgets of woolly spider monkeys, or muriquis (Brachyteles arachnoides) , 1987, American journal of primatology.

[165]  J. Eisenberg,et al.  Howlers: variations in group size and demography , 1987 .

[166]  M. Cords.  Interspecific and intraspecific variation in diet of two forest guenons, Cercopithecus ascanius and C. mitis , 1986 .

[167]  Leo Berenstain.  Responses of long-tailed macaques to drought and fire in eastern Borneo: a preliminary report , 1986 .

[168]  P. C. Lee,et al.  Ecology and behaviour of vervet monkeys in a tourist lodge habitat , 1986 .

[169]  J. Terborgh,et al.  The Socioecology of Primate Groups , 1986 .

[170]  Jan R. De Ruiter,et al.  The Influence of Group Size On Predator Scanning and Foraging Behaviour of Wedgecapped Capuchin Monkeys (Cebus Olivaceus) , 1986 .

[171]  N. Scott,et al.  Population trends of the mantled howler groups of La Pacifica, Guanacaste, Costa Rica , 1986, American journal of primatology.

[172]  C. Howarth,et al.  Population ecology of the ring-tailed lemur, Lemur catta, and the white sifaka, Propithecus verreauxi verreauxi, at Berenty, Madagascar, 1981. , 1986, Folia primatologica; international journal of primatology.

[173]  John G. Robinson.  Seasonal variation in use of time and space by the wedge-capped capuchin monkey, Cebus olivaceus : implications for foraging theory , 1986 .

[174]  S A Glantz,et al.  Multiple regression for physiological data analysis: the problem of multicollinearity. , 1985, The American journal of physiology.

[175]  J. Felsenstein.  Phylogenies and the Comparative Method , 1985, The American Naturalist.

[176]  A. Galat-Luong,et al.  La communauté de primates diurnes de la forêt de Taï, Côte-d’Ivoire , 1985, Revue d'Écologie (La Terre et La Vie).

[177]  Robert M. Seyfarth,et al.  Grooming, alliances and reciprocal altruism in vervet monkeys , 1984, Nature.

[178]  J. Terborgh.  Five New World Primates , 1984 .

[179]  T. Kano,et al.  Feeding Ecology of the Pygmy Chimpanzees (Pan paniscus) of Wamba , 1984 .

[180]  C. Crockett.  Emigration by female red howler monkeys and the case for female competition , 1984 .

[181]  J. Eisenberg,et al.  A study of a black howling monkey (Alouatta caraya) population in northern Argentina , 1984, American journal of primatology.

[182]  Noel Badrian,et al.  Social Organization of Pan paniscus in the Lomako Forest, Zaire , 1984 .

[183]  C. Schaik.  Why Are Diurnal Primates Living in Groups , 1983 .

[184]  Dunbar Rim.,et al.  Thermoregulation, habitat quality and the behavioural ecology of gelada baboons ( Theropithecus gelada). , 1983 .

[185]  C. Schaik,et al.  On the Ultimate Causes of Primate Social Systems , 1983 .

[186]  M. Leighton,et al.  The relationship of size of feeding aggregate to size of food patch : howler monkeys (Alouatta palliata) feeding in Trichilia cipo fruit trees on Barro Colorado Island , 1982 .

[187]  A. Estrada.  Survey and census of howler monkeys (Alouatta palliata) in the rain forest of “Los Tuxtlas,” Veracruz, Mexico , 1982, American journal of primatology.

[188]  S. Strum,et al.  Variations in fecundity with age and environment in olive baboons (Papio anubis) , 1982, American journal of primatology.

[189]  M. A. Islam,et al.  A preliminary study on the ecology of the capped langur. , 1982, Folia primatologica; international journal of primatology.

[190]  D. McKey,et al.  Ranging behaviour of a group of black Colobus (Colobus satanas) in the Douala-Edea Reserve, Cameroon. , 1982, Folia primatologica; international journal of primatology.

[191]  D. Post.  Activity patterns of yellow baboons (Papio cynocephalus) in the amboseli National Park, Kenya , 1981, Animal Behaviour.

[192]  T. W. Ransom.  Beach Troop of the Gombe , 1981 .

[193]  D. Cheney.  Intergroup encounters among free-ranging vervet monkeys. , 1981, Folia primatologica; international journal of primatology.

[194]  C. Marsh.  Time budget of Tana river red colobus. , 1981, Folia primatologica; international journal of primatology.

[195]  P. Klopfer.  The Foraging Strategy of Howler Monkeys , 1980, Ecology.

[196]  James F. Wittenberger.  Group Size and Polygamy in Social Mammals , 1980, The American Naturalist.

[197]  Z. Li.  A REVISION OF THE WHITE-HEADED LANGUR , 1980 .

[198]  R. Wrangham.  An Ecological Model of Female-Bonded Primate Groups , 1980 .

[199]  S. Gittins,et al.  Siamang, Lar and Agile Gibbons , 1980 .

[200]  Thomas Caraco,et al.  Time Budgeting and Group Size: A Test of Theory , 1979 .

[201]  T. Struhsaker,et al.  Socioecology of Five Sympatric Monkey Species in the Kibale Forest, Uganda , 1979 .

[202]  T. Clutton‐Brock.  Foraging in Primates. (Book Reviews: Primate Ecology. Studies of Feeding and Ranging Behaviour in Lemurs, Monkeys and Apes) , 1978 .

[203]  H. Schlichte.  A preliminary report on the habitat utilization of a group of howler monkeys (Alouatta villosa pigra) in the National Park of Tikal, Guatemala , 1978 .

[204]  C. C. Smith.  4 – Feeding Behaviour and Social Organization in Howling Monkeys , 1977 .

[205]  J. Oates.  10 – The Guereza and Its Food , 1977 .

[206]  P. Waser.  7 – Feeding, Ranging and Group Size in the Mangabey Cercocebus albigena , 1977 .

[207]  A. Harcourt,et al.  14 – Feeding Ecology of Free-ranging Mountain Gorilla (Gorilla gorilla beringei) , 1977 .

[208]  R. Sussman.  1 – Feeding Behaviour of Lemur catta and Lemur fulvus , 1977 .

[209]  T. Struhsaker.  The Red Colobus Monkey , 1977 .

[210]  R. Wrangham.  Feeding behaviour of chimpanzees in Gombe National Park , 1977 .

[211]  Janet Goodall,et al.  The recent rise to the alpha-rank in a population of free-living chimpanzees. , 1977, Folia primatologica; international journal of primatology.

[212]  W. Maples,et al.  Differential habitat utilizati of four Cercopithecidae in a Kenyan forest. , 1977, Folia primatologica; international journal of primatology.

[213]  Y. Sugiyama.  Characteristics of the ecology of the Himalayan langurs , 1976 .

[214]  W. J. Freeland.  Pathogens and the Evolution of Primate Sociality , 1976 .

[215]  W. Hamilton,et al.  Chacma baboon tactics during intertroop encounters. , 1975, Journal of mammalogy.

[216]  Hanlon Fong,et al.  Animal Physiology: Adaptation and Environment , 1975, The Yale Journal of Biology and Medicine.

[217]  T. Clutton‐Brock.  Feeding behaviour of red colobus and black and white colobus in East Africa. , 1975, Folia primatologica; international journal of primatology.

[218]  S. Kondō.  Proceedings from the symposia of the fifth congress of the International Primatological Society, Nagoya, Japan, August 1974 , 1975 .

[219]  L. Jorde,et al.  A Statistical Analysis of Selected Aspects of Primate Demography, Ecology, and Social Behavior , 1974, Journal of Anthropological Research.

[220]  Stuart A. Altmann,et al.  Baboons, space, time and energy , 1974 .

[221]  J. Altmann,et al.  Observational study of behavior: sampling methods. , 1974, Behaviour.

[222]  Robin I. M. Dunbar,et al.  Ecological relations and niche separation between sympatric terrestrial primates in Ethiopia. , 1974, Folia primatologica; international journal of primatology.

[223]  Robin I. M. Dunbar,et al.  Ecology and population dynamics of Colobus guereza in Ethiopia. , 1974, Folia primatologica; international journal of primatology.

[224]  T. Clutton‐Brock.  Activity patterns of red colobus (Colobus badius tephrosceles). , 1974, Folia primatologica; international journal of primatology.

[225]  D. Chivers,et al.  The siamang in Malaya. A field study of a primate in tropical rain forest. , 1974, Contributions to primatology.

[226]  T. Clutton‐Brock.  Feeding levels and feeding sites of red colobus (Colobus badius tephrosceles) in the Gombe National Park. , 1973, Folia primatologica; international journal of primatology.

[227]  U. Nagel.  A comparison of anubis baboons, hamadryas baboons and their hybrids at a species border in Ethiopia. , 1973, Folia primatologica; international journal of primatology.

[228]  J. Eisenberg,et al.  The Relation between Ecology a Social Structure in Primates. , 1972, Science.

[229]  M. Neville.  The population structure of red howler monkeys (Alouatta seniculus) in Trinidad and Venezuela. , 1972, Folia primatologica; international journal of primatology.

[230]  T. Schoener.  Theory of Feeding Strategies , 1971 .

[231]  M. Cody.  Finch flocks in the Mohave desert. , 1971, Theoretical population biology.

[232]  J. Deag,et al.  Social behavior and 'agonistic buffering' in the wild barbary macague Macaca sylvana L. , 1971, Folia primatologica; international journal of primatology.

[233]  A. Richard.  A comparative study of the activity patterns and behavior of Alouatta villosa and Ateles geoffroyi. , 1970, Folia primatologica; international journal of primatology.

[234]  P. Marler.  Colobus guereza: Territoriality and Group Composition , 1969, Science.

[235]  H. S. Horn,et al.  The Adaptive Significance of Colonial Nesting in the Brewer's Blackbird (Euphagus Cyanocephalus) , 1968 .

[236]  T. Struhsaker.  Ecology of Vervet Monkeys (Cercopithecus Aethiops) in The Masai‐Amboseli Game Reserve, Kenya , 1967 .

[237]  J. Crook,et al.  Evolution of Primate Societies , 1966, Nature.

[238]  K. Hall.  Variations in the ecology of the Chacma baboon, Papio ursinus , 1963 .

[239]  C. Carpenter,et al.  A field study in Siam of the behavior and social relations of the gibbon (Hylobates lar) , 1941 .