The social systems of gregarious lemurs: Lack of convergence with anthropoids due to evolutionary disequilibrium?

Ethology

Volumn 102, Issue 11, 1996, Pages 915-941

  Van Schaik, Carel P ^b   Kappeler, Peter M ^a  

^a GERMAN PRIMATE CENTER   (Germany)

^b NONE

Author keywords

[No Author keywords available]

Indexed keywords

EVOLUTION; GREGARIOUS MAMMAL; LEMUR; SOCIAL BEHAVIOUR;

MADAGASCAR;

LEMURIDAE;

EID: 0030302695     PISSN: 01791613     EISSN: None     Source Type: Journal    
DOI: 10.1111/j.1439-0310.1996.tb01171.x     Document Type: Article

References (136)

1. ALBIGNAC, R., FONTEILLE, D., MALEYRAN, D. & DUVERNOY, F. 1988: Evolution de l'organisation sociale et territoriale de Propithecus verreauxi coquereli pendant 6 ans, dans les forêts seches du nord-ouest de Madagascar (Ankarafantsika). In: L'Equilibre des Ecosystèmes Forestiers à Madagascar. Actes d'un Séminaire International (RAKOTOVATO, L., BARRE, V. & SAYER, J., eds). IUCN, Gland. pp. 90-94.
2. ALTMANN, J. 1990: Primate males go where the females are. Anim. Behav. 39, 193-195.
3. ANDRIATSARAFARA, F. 1988: Note sur le rhythme d'activité et sur le régime alimentaire de Lemur mongoz Linnaeus, 1766 à Ampijoroa. In: L'Equilibre des Ecosystèmes Forestiers à Madagascar: Actes d'un Seminaire International (RAKOTOVOA, L., BARRE, V. & SAYER, J., eds). IUCN, Gland. pp. 103-106.
4. ARBELOT-TRACQUI, V. 1983: Etude étho-écologique de deux primates prosimiens: Lemur coronatus et Lemur fulvus sanfordi. PhD thesis, Univ. of Rennes.
5. BARTON, R. A. 1996: Neocortex size and behavioural ecology in primates. Proc. R. Soc. Lond. B 263, 173-177.
6. _, PURVIS, A. & HARVEY, P. H. 1995: Evolutionary radiation of visual and olfactory brain systems in primates, bats and insectivores. Phil. Trans. Roy. Soc. 348, 381-392.
7. BEARDER, S. K. 1987: Lorises, bushbabies, and tarsiers: diverse societies in solitary foragers. In: Primate Societies (SMUTS, B. B., CHENEY, D. L., SEYFARTH, R. M, WRANGHAM, R. W. & STRUHSAKER, T. T., eds). Univ. of Chicago Press, Chicago. pp. 11-24.
8. BLAKESLEE, B & JACOBS, G. H. 1985: Color vision in the ring-tailed lemur (Lemur catta). Brain Behav. Evol. 26, 154-166.
9. BROCKMAN, D. K. 1994: Reproduction and mating system of Verreaux's sifaka, Propithecus verreauxi, at Beza Mahafaly, Madagascar. PhD thesis, Yale Univ., New Haven.
10. BYRNE, R. W. 1995: The Thinking Ape: Evolutionary Origins of Intelligence. Oxford Univ. Press, Oxford.
11. CASTENHOLZ, E. 1965: Über die Struktur der Netzhautmitte bei Primaten. Z. Zellforschung 65, 646-661.
12. CHARLES-DOMINIQUE, P., COOPER, H. M., HLADIK, A., HLADIK, C. M., PAGES, E., PARIENTE, G. F., PETTER-ROUSSEAUX, A., PETTER, J.-J. & SCHILLING, A. 1980: Nocturnal Malagasy Primates: Ecology, Physiology and Behavior. Academic Press, New York.
13. CLARKE, J. L., JONES, M. E. & JARMAN, P. J. 1995: Diurnal and nocturnal grouping and foraging behaviours of free-ranging eastern grey kangaroos. Aust. J. Zool. 43, 519-529.
14. CLUTTON-BROCK, T. H. & HARVEY, P. H. 1977: Primate ecology and social organization. J. Zool. Lond. 183, 1-39.
15. COLQUHOUN, I. C. 1993: The socioecology of Eulemur macaco macaco: a preliminary report. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 11-23.
16. DIAMOND, J. 1992: The Third Chimpanzee, the Evolution and Future of the Human Animal. Harper Collins, New York.
17. DIETZ, J. M., BAKER, A. J. & MIGLIORETTI, D. 1994: Seasonal variation in reproduction, juvenile growth, and adult body mass in golden lion tamarins (Leontopithecus rosalia). Am. J. Primatol. 34, 115-132.
18. DUNBAR, R. I. M. 1988: Primate Social Systems. Cornell Univ. Press, Ithaca.
19. _ 1992: Neocortex size as a constraint on group size in primates. J. Hum. Evol. 20, 469-493.
20. _ 1995: The mating system of callitrichid primates: I. Conditions for the coevolution of pairbonding and twinning. Anim. Behav. 50, 1057-1070.
21. EISENBERG, J. F. & THORINGTON, R. W., Jr. 1973: A preliminary analysis of a Neotropical mammal fauna. Biotropica 5, 150-161.
22. ELY, J. & KURLAND, J. A 1989: Spatial autocorrelation, phylogenetic constraints, and the causes of sexual dimorphism in primates. Int J. Primatol. 10, 151-171.
23. EMLEN, S. T. & ORING, L. W. 1977: Ecology, sexual selection, and the evolution of mating systems. Science 197, 215-223.
24. EMMONS, L. H. 1990: Neotropical Rainforest Mammals: a Field Guide. Univ. of Chicago Press, Chicago.
25. _, GAUTTER-HION, A. & DUBOST, G. 1983: Community structure of the frugivorous-folivorous forest mammals of Gabon. J Zool., Lond. 199, 209-222.
26. ENGQVIST, A. & RICHARD, A. 1991: Diet as a possible determinant of cathemeral activity patterns in primates. Folia Primatol. 57, 169-172.
27. ERKERT, H. G. 1989: Lighting requirements of nocturnal primates in captivity: a chronobiological approach. Zoo Biol. 8, 179-191.
28. GANZHORN, J. U. 1988: Food partitioning among Malagasy primates. Oecologia 75, 436-450.
29. GLANZ, W. E. 1990: Neotropical mammal densities: how unusual is the community on Barro Colorado Island? In: Four Neotropical Rainforests (GENTRY, A. H., ed.). Yale Univ. Press, New Haven. pp. 287-313.
30. GODFREY, L. R., JUNGERS, W. L., REED, K. E. & SIMONS, E. L. 1995: Primate subfossils: inferences about past and present primate community structure. In: Environmental Change in Madagascar (PATTERSON, B. D., GOODMAN, S. M. & SEDLOCK, J. L., eds). Field Mus. of Natural Hist., Chicago. pp. 14-15.
31. GOLDIZEN, A. W. 1987: Tamarins and marmosets: communal care of offspring. In: Primate Societies (SMUTS, B. B., CHENEY, D. L., SEYFARTH, R. M, WRANGHAM, R. W. & STRUHSAKER, T. T., eds). Univ. of Chicago Press, Chicago. pp. 34-43.
32. GOODMAN, S M. 1994a: The enigma of antipredator behavior in lemurs: evidence of a large extinct eagle on Madagascar. Int. J. Primatol. 15, 129-134.
33. _ 1994b: Description of a new species of subfossil eagle from Madagascar: Stephanoaetus (Aves: Falconiformes) from the deposits of Ampasambazimba. Proc. Biol. Soc. Wash. 107, 421-426.
34. _, O'CONNOR, S. & LANGRAND, O. 1993: A review of predation on lemurs: implications for the evolution of social behavior in small, nocturnal primates. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 51-66.
35. HARRINGTON, J. E. 1978: Diurnal behavior of Lemur mongoz at Ampijoroa. Folia Primatol. 29, 291-302
36. HARRISON-MATTHEWS, L & KNIGHT, M. 1963: The Senses of Animals. Philosophical Library, New York.
37. HARVEY, P., PAGEL, M. & REES, J. 1991: Mammalian metabolism and life histories. Am. Nat. 137, 556-566.
38. HESS, D. T. & ROCKLAND, K. S. 1983: The distribution of cholinesterase and cytochrome oxidase within the dorsal lateral geniculate nucleus of the squirrel monkey. Brain Res. 289, 322-325.
39. JACOBS, G. H. 1993: The distribution and nature of colour vision among the mammals. Biol. Rev. 68, 413-471.
40. _ & DEEGAN, J. F. 1993: Photopigments underlying color vision in ringtail lemurs (Lemur catta) and brown lemurs (Eulemur fulvus). Am. J. Primatol. 30, 243-256.
41. JANSON, C. H. & EMMONS, L. H. 1990: Ecological structure of the nonflying mammal community at Cocha Cashu Biological Station, Manu National Park, Peru. In: Four Neotropical Rainforests (GENTRY, A. H., ed.). Yale Univ. Press, New Haven. pp. 314-338.
42. _ & GOLDSMITH, M. L. 1995: Predicting group size in primates: foraging costs and predation risks. Behav. Ecol. 6, 326-336.
43. JERISON, H. J. 1973: Evolution of the Brain and Intelligence. Academic Press, New York.
44. JOLLY, A. 1984: The puzzle of female feeding priority. In: Female Primates: Studies by Woman Primatologists (SMALL, M. F., ed.). A. R. Liss, New York. pp. 197-215.
45. _ 1996: Pair-bonding, female aggression, and the evolution of lemur societies. Folia Primatol., in press.
46. KAPPELER, P. M. 1992: Female dominance in Malagasy primates. PhD thesis, Duke Univ., Durham.
47. _ 1993a: Female dominance in primates and other mammals. In: Perspectives in Ethology, Vol. 10 (BATESON, P., THOMPSON, N. & KLOPFER, P., eds). Plenum Press, New York. pp. 143-158.
48. _ 1993b: Sexual selection and lemur social systems. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 223-240.
49. _ 1993c: Variation in social structure: the effects of sex and kinship on social interactions in three lemur species. Ethology 93, 125-145.
50. KAPPELER, P. M. 1993d: Reconciliation and post-conflict behaviour in ringtailed lemurs, Lemur catta and redfronted lemurs, Eulemur fulvus rufus. Anim. Behav. 45, 901-915.
51. _ 1996: Intrasexual selection and phylogenetic constraints in the evolution of sexual canine dimorphism in strepsirhine primates. J. Evol. Biol. 9, 43-65.
52. _ 1997a: Causes and consequences of life history variation among strepsirhine primates. Am. Nat., in press.
53. _ 1997b: Determinants of primate social organization: comparative evidence and new insights from Malagasy lemurs. Biol. Rev., in press.
54. _ & GANZHORN, J. 1993a: The evolution of primate communities and societies in Madagascar. Evol. Anthropol. 2, 159-171.
55. _ & _ 1993b: Lemur Social Systems and Their Ecological Basis. Plenum Press, New York.
56. _ & HEYMANN, E. W. 1996: Non-convergence in the evolution of primate life history and socioecology. Biol. J. Linn. Soc., in press.
57. KAY, R. F. & CARTMILL, M. 1977: Cranial morphology and adaptations of Palaechthon nacimienti and other Paromomyidae (Plesiadapoidea, ?Primates), with a description of a new genus and species. J. Hum. Evol. 6, 19-53.
58. LINDBURG, D. G. 1987: Seasonality of reproduction in primates. In: Comparative Primate Biology, Vol. 2B: Behavior, Cognition, and Motivation (MITCHELL, G. & ERWIN, J., eds). Alan R. Liss, New York. pp. 167-218.
59. MACEDONIA, J. M. 1993: Adaptation and phylogenetic constraints in the antipredator behavior of ringtailed and ruffed lemurs. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 67-84.
60. MARTIN, R. D. 1972: Adaptive radiation and behaviour of the Malagasy Semurs. Proc. R. Soc., London, B 264, 295-352.
61. _ 1990: Primate Origins and Evolution; a Phylogenetic Reconstruction. Chapman & Hall, London.
62. MCDONALD, C. T , MCGUINNESS, E. R. & ALLMAN, J. M. 1993: Laminar organization of acetylcholinesterase and cytochrome oxidase in the lateral geniculate nucleus of prosimians. Neuroscience 54, 1091-1101.
63. MCNAB, B. K. 1986: The influence of food habits on the energetics of eutherian mammals. Ecol. Monogr. 56, 1-19.
64. MEYERS, D. M. & WRIGHT, P. C. 1993: Resource tracking: food availability and Propithecus seasonal reproduction. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 179-192.
65. MITTERMEIER, R. A., TATTERSALL, I., KONSTANT, W. R., MEYERS, D. M. & MAST, R. B. 1994: Lemurs of Madagascar. Conservation International, Washington.
66. MORLAND, H. S. 1991: Preliminary report on the social organization of ruffed lemurs (Varecia variegata variegata) in a Northeast Madagascar rainforest. Folia Primatol. 56, 157-161.
67. _ 1993: Seasonal behavioral variation and its relationship to thermoregulation in ruffed lemurs (Varecia v. variegata). In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 193-203.
68. MULLER, E. F. 1985: Basal metabolic rates in primates - the possible role of phylogenetic and ecological factors Comp. Biochem. Physiol. A 81, 707-711.
69. NASH, L. T. 1986: Influence of moonlight level on travelling and calling patterns in two sympatric species of Galago in Kenya In: Current Perspectives in Primate Social Dynamics (TAUB, D. M. & KING, F. A., eds). van Nostrand Reinhold, New York. pp. 357-367.
70. NEURINGER, M., KOSOBUD, A. & COCHRANE, G. 1981: Visual acuity of Lemur catta, a diurnal prosimian. Investig. Opthalm. Vis. Sci. 20, 49.
71. NOBACK, C. R. 1975: The visual system of primates in phylogenetic studies. In: Phylogeny of the Primates (LUCKETT, P. & SZALAY, F. S., eds). Plenum Press, New York. pp. 199-218.
72. OVERDORFF, D. 1988: Preliminary report on the activity cycle and diet of the red-bellied lemur (Lemur rubriventer) in Madagascar. Am. J. Primatol. 16, 143-153.
73. _ & RASMUSSEN, M. A. 1995: Determinants of nighttime activity in 'diurnal' lemurid primates. In: Creatures of the Dark (ALTERMAN, L., DOYLE, G. A. & IZARD, M. K., eds). Plenum Press, New York, pp. 61-74.
74. PARIENTE, G. F. 1979: The role of vision in prosimian behavior. In: The Study of Prosimian Behavior (DOYLE, G. A. & MARTIN, R. D., eds). Academic Press, New York. pp. 411-459.
75. PASSINGHAM, R. E. 1982: The Human Primate. Freeman, San Francisco.
76. PEREIRA, M. E. 1991: Asynchrony within estrous synchrony among ringtailed lemurs (Primates: Lemundae). Physiol. Behav. 49, 47-52.
77. _ 1993: Seasonal adjustment of growth rate and adult body weight in ringtailed lemurs. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 205-222.
78. _ 1995: Development and social dominance among group-living primates. Am J. Primatol. 37, 143-175.
79. _, KAUFMAN, R., KAPPELER, P. M. & OVERDORFF, D. J. 1990: Female dominance does not characterize all of the Lemundae. Folia Primatol. 55, 96-103.
80. _, KLEPPER, A., SIMONS, E. L. 1987: Tactics of care for young infants by forest-living ruffed lemurs (Varecia v. variegala): ground nests, parking, and biparental guarding. Am. J. Primatol. 13, 129-144.
81. _ & WEISS, M. L. 1991: Female mate choice, male migration, and the threat of infanticide in ringtailed lemurs. Behav. Ecol. Sociobiol. 28, 141-152.
82. PETTER, J. J., ALBIGNAC, R. & RUMPLER, Y. 1977: Faune de Madagascar 44: Mammiferes Lemuriens (Primates Prosimien). ORSTOM and CNRS, Paris.
83. PLAVCAN, J. M., VAN SCHAIK, C. P. & KAPPELER, P. M. 1995: Competition, coalitions and canine size in primates. J. Hum. Evol. 28, 245-276.
84. POLLOCK, J. I. 1989: Intersexual relationships amongst prosimians. Hum. Evol. 4, 133-143.
85. PREUSCHOFT, S. & PREUSCHOFT, H. 1994: Primate nonverbal communication: our communicatory heritage. In: Origins of Semiosis (NÖTH, W., ed.). Mouton de Gruyter, Berlin. pp. 61-100.
86. PURVIS, A. 1995: A composite estimate of primate phylogeny. Phil. Trans. R. Soc. Lond. B 348, 405-421.
87. RASOLOARISON, R., RASOLONANDRASANA, B. P. N., GANZHORN, J. U. & GOODMAN, S. M. 1995: Predation on vertebrates in the Kirindy forest, western Madagascar. Ecotropica 1, 59-65.
88. RATHBUN, W. B., HOLLESCHAU, A. M. & ALTERMAN, L. 1994: Glutathione metabolism in primate lenses: a phylogenetic study of glutathione synthesis and glutathione redox cycle enzyme activities. Am. J. Primatol. 33, 101-120.
89. REICHARD, U. 1995: Sozial- und Fortpflanzungsverhalten von Weisshandgibbons (Hylobates lar): eine Freilandstudie im thailändischen Khao Yai Regenwald. PhD thesis, Göttingen.
90. RETTIG, N. L. 1978: Breeding behavior of the harpy eagle (Harpia harpyja). Auk 95, 629-643.
91. RICHARD, A. F. 1974: Patterns of mating in Propithecus v. verreauxi. In: Prosimian Biology (MARTIN, R. D., DOYLE, G. A. & WALKER, A. C., eds). Duckworth, London. pp. 49-74.
92. _ 1987: Malagasy prosimians: female dominance. In: Primate Societies (SMUTS, B. B., CHENEY, D. L., SEYFARTH, R. M, WRANGHAM, R. W. & STRUHSAKER, T. T., eds). Univ. of Chicago Press, Chicago. pp. 25-33.
93. _ 1992: Aggressive competition between males, female-controlled polygyny and sexual monomorphism in a Malagasy primate, Propithecus verreauxi. J. Hum. Evol. 22, 395-406.
94. _ & DEWAR, R. E. 1991: Lemur ecology Ann. Rev. Ecol. Syst. 22, 145-175.
95. _ & NICOLL, M. E. 1987: Female social dominance and basal metabolism in a Malagasy primate, Propithecus verreauxi. Am. J. Primatol. 12, 309-314.
96. _, RAKOTOMANGA, P. & SCHWARTZ, M. 1991: Demography of Propithecus verreauxi at Beza Mahafaly, Madagascar: sex ratio, survival, and fertility. Am. J. Phys. Anthropol. 84, 307-322.
97. _, _ & _ 1993: Dispersal by Propithecus verreauxi at Beza Mahafaly, Madagascar: 1984-91. Am. J. Primatol. 30, 1-20.
98. RIGAMONTI, M. M. 1993: Home range and diet in red ruffed lemurs (Varecia variegata rubra) on the Masoala peninsula, Madagascar. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 25-40.
99. ROSS, C. 1992: Basal metabolic rate, body weight and diet in primates: an evaluation of the evidence. Folia Primatol. 58, 7-23.
100. _ 1995: Allometric and functional influences on primate orbit orientation and the origin of the Anthropoidea. J. Hum. Evol. 29, 201-227.
101. RYDELL, J. & SPEAKMAN, J. R. 1995: Evolution of nocrumality in bats: potential competitors and predators during their early history. Biol. J. Linn. Soc. 54, 183-191
102. SAUTHER, M. L. 1993: Resource competition in wild populations of ringtailed lemurs (Lemur catta): implications for female dominance. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 135-152.
103. SCHILLING, A. 1979: Olfactory communication in prosimians. In: The Study of Prosimian Behavior (DOYLE, G. A. & MARTIN, R. D., eds). Academic Press, New York. pp. 461-542.
104. SIMONS, E. L. 1995: Lemurs: old and new. In: Environmental Change in Madagascar (PATTERSON, B. D., GOODMAN, S. M. & SEDLOCK, J. L., eds). Field Mus. of Nat. Hist., Chicago. pp. 14-15.
105. SMUTS, B. B. 1987: Sexual competition and mate choice. In: Primate Societies (SMUTS, B. B., CHENEY, D. L., SEYFARTH, R. M., WRANGHAM, R. W. & STRUHSAKER, T. T., eds). Univ. of Chicago Press, Chicago. pp. 385-399.
106. STEPHAN, H., FRAHM, H. D. & BARON, G. 1981: New and revised data on volumes of brain structures in insectivores and primates. Folia Primatol. 35, 1-29.
107. STERCK, E. H. M. 1995: Females, foods and fights; a sociecological comparison of the sympatric Thomas langur and long-tailed macaque. PhD thesis, Univ. of Utrecht.
108. STERLING, E. 1993: Patterns of range use and social organization in aye-ayes (Daubentonia madagascariensis) on Nosy Mangabe. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 1-10.
109. STRUHSAKER, T. T. & LEAKEY, M. 1990: Prey selectivity by crowned hawk-eagles on monkeys in the Kibale forest, Uganda. Behav. Ecol. Sociobiol. 26, 435-445.
110. SUSSMAN, R. W. & TATTERSALL, I. 1976: Cycles of activity, group composition, and diet of Lemur mongoz in Madagascar. Folia Primatol. 26, 270-283.
111. TATTERSALL, I. 1976: Group structure and activity rhythm in Lemur mongoz (Primates, Lemuriformes). Anthropol. Pap. Am. Mus. Nat. Hist. 53, 369-380.
112. _ 1982: The Primates of Madagascar. Columbia Univ. Press, New York.
113. _ 1987: Cathemeral activity in primates: a definition. Folia Primatol. 49, 200-202.
114. TILDEN, C. D. & OFTEDAL, O. T. 1995: The bioenergetics of reproduction in prosimian primates: is it related to female dominance? In: Creatures of the Dark (ALTERMAN, L., DOYLE, G. A. & IZARD, M. K., eds). Plenum Press, New York. pp. 119-131.
115. VAN HOOFF, J. A. R. A. M. & VAN SCHAIK, C. P. 1992: Cooperation in competition: the ecology of primate bonds. In: Coalitions and Alliances in Humans and Other Animals (HARCOURT, A. H. & DE WAAL, F. B. M., eds). Oxford Univ. Press, Oxford. pp. 357-389.
116. VAN HORN, R. N. & EATON, G. G. 1979: Reproductive physiology and behavior in prosimians. In: The Study of Prosimian Behavior (DOYLE, G. A. & MARTIN, R. D., eds). Academic Press, New York. pp. 79-122.
117. VAN SCHAIK, C. P. 1983: Why are diurnal primates living in groups? Behaviour 87, 120-144.
118. _ & GRIFFITHS, M. 1996: Activity periods of Indonesian rain forest mammals. Biotropica 28, in press.
119. _ & HORSTERMANN, M. 1994: Predation risk and the number of adult males in a primate group: a comparative test. Behav. Ecol. Sociobiol. 35, 261-272.
120. _ & KAPPELER, P. M. 1993: Life history, activity period and lemur social systems. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 241-260.
121. _, VAN NOORDWIJK, M. A., WARSONO, B. & SUTRIONO, E. 1983: Party size and early detection of predators in Sumatran forest primates. Primates 24, 211-211.
122. VICK, L. G. & PEREIRA, M. E. 1989: Episodic targeting aggression and the histories of Lemur social groups. Behav. Ecol. Sociobiol. 25, 3-12.
123. WAHOME, J. M., ROWELL, T. E. & TSINGALIA, H. M. 1993: The natural history of de Brazza's monkey in Kenya. Int. J. Primatol. 14, 445-466.
124. WALKER, A. C. 1967: Patterns of extinction among the subfossil Madagascan lemuroids. In: Pleistocene Extinctions (MARTIN, P. S. & WRIGHT, H. E., eds). Yale Univ. Press, New Haven. pp. 425-432.
125. WARREN, R. D. 1994: Lazy leapers: a study of the locomotor ecology of two species of saltatory nocturnal lemur in sympatry at Ampijoroa, Madagascar. PhD thesis, Univ. of Liverpool.
126. WASER, P. M. 1988: Resources, philopatry, and social interactions among mammals. In: The Ecology of Social Behavior (SLOBODCHIKOFF, C. N., ed.). Academic Press, San Diego. pp. 109-130.
127. WHITE, F. J. 1991: Social organization, feeding ecology, and reproductive strategy of ruffed lemurs, Varecia variegata. In: Primatology Today (EHARA, A., KIIMURA, T., TAKENAKA, O. & IWAMOTO, M., eds). Elsevier Science Publishers, New York. pp. 81-84.
128. _, BALKO, E. A. & FOX, E. A. 1993: Male transfer in captive ruffed lemurs, Varecia variegata variegata. In: Lemur Social Systems and Their Ecological Basis (KAPPELER, P. M. & GANZHORN, J. U., eds). Plenum Press, New York. pp. 41-49.
129. WILSON, D. S. 1983: Checklist of mammals. In: Costa Rican Natural History (JANZEN, D. H., ed.). Chicago Univ. Press, Chicago. pp. 443-447.
130. WILSON, J. M., STEWART, P. D., RAMANGASON, G. S., DENNING, A. M. & HUTCHINGS, M. S. 1989: Ecology and conservation of the crowned lemur, Lemur coronatus, at Ankarana, N. Madagascar. Folia Primatol. 52, 1-26.
131. WRANGHAM, R. W. 1987: Evolution of social structure. In: Primate Societies (SMUTS, B. B., CHENEY, D. L., SEYFARTH, R. M., WRANGHAM, R. W. & STRUHSAKER, T. T., eds). Univ. of Chicago Press, Chicago. pp. 282-297.
132. WRIGHT, P. C. 1989: The nocturnal primate niche in the New World. J. Hum. Evol. 18, 635-658.
133. _ 1993: Variations in male-female dominance and offspring care in non-human primates. In: Sex and Gender Hierarchies (MILLER, B. D., ed.). Cambridge Univ. Press, Cambridge. pp. 127-145.
134. _ 1995: Demography and life history of free-ranging Propithecus diadema edwardsi in Ranomafana National Park, Madagascar. Int. J. Primatol. 16, 835-854.
135. YODER, A. D. 1994: Relative position of the Cheirogaleidae in strepsirhine phylogeny: a comparison of morphological and molecular methods and results. Am. J. Phys. Anthropol. 94, 25-46.
136. YOUNG, A. L., RICHARD, A. F. & AIELLO, L. C. 1990: Female dominance and maternal investment in strepsirhine primates. Am. Nat. 135, 473-488.