Dominance and reproductive success among female gelada baboons

  title={Dominance and reproductive success among female gelada baboons},
  author={Robin I. M. Dunbar and E. P. Dunbar},
THE relationship between dominance and reproductive success has been of considerable theoretical interest, with an extensive literature reporting its existence among males in many species1. Although female dominance hierarchies are known to exist in various species, the possibility of a similar relationship for females has not been investigated in detail. Indeed it is often assumed that Bateman's principle2 implies that intrasexual selection (and hence the effectiveness of dominance as a… 

Context dependence of female reproductive competition in wild chacma baboons

Determinants and evolutionary consequences of dominance among female gelada baboons

It is argued that females prefer to form coalitions with caughters rather than unrelated females because the mother-daughter relationship is the only bond of sufficient strength to provide the basis for an investment which is asymmetric in the short-term and reciprocal only over the length of a life-time.

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Better insights into the relationship between dominance and reproduction are potentially offered by improved genetic paternity measures, new models of social and demographic processes, and the recent availability of life history data from field studies.

Intrasexual selection and male mating strategies in baboons and macaques

If baboon and macaque mating systems constitute a form of female defense polygyny, male mating strategies should be intrasexually selected and should vary in predictable ways with female

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The causes and consequences of dominance in yellow-bellied marmots (Marmota flaviventris), a social rodent with skewed male reproductive success and female reproductive suppression, are studied and it is found that marmot in better body condition have higher dominance rank than those in poorer condition.

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The observed correlation between female transfer and morphological adaptations to folivory provides empirical support for Wrangham’s model for the evolution of female-bonded groups, and supports the hypothesis that predator detection is the primary selective pressure favoring sociality for many primates.

Variations in fecundity with age and environment in olive baboons (Papio anubis)

Ten years of reproductive data on a troop of savanna baboons demonstrated that females had an age‐specific fecundity pattern similar to that of other mammals, and the implications for primate ecology, behavior, reproduction, and life‐history strategies are discussed.



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The reproductive cycle of the gelada baboon.


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The data presented here for Anolis garmani tend to support the view that those males who do most of the mating are those who have tended to demonstrate the superiority of their non sexlinked genes.

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Epigamic selection includes the major part of what Darwin meant by sexual selection, and is introduced to apply to characters which increased the fertility of a given mating and therefore had a selective value for the species as a whole.

A ten-year summary of reproductive data for free-ranging Macaca mulatta.

  • L. C. Drickamer
  • Biology
    Folia primatologica; international journal of primatology
  • 1974
Analyses were made of population statistics and reproduction parameters covering a ten-year period at the free-ranging rhesus monkey colony at La Parguera, Puerto Rico, finding that males had higher mortality rates and the death rate for females remained very low and constant.

Baboon menstrual cycles affected by social environment.

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  • Medicine
    Journal of reproduction and fertility
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The preliminary part of the follicular phase, before oestrus, was longer under conditions of psychosocial stress, and there was some evidence that the swellings return to normal, after a pregnancy and lactation interval.

On the regulation of pack size in wolves.

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    Zeitschrift fur Tierphysiologie, Tierernahrung und Futtermittelkunde
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Based on a long-time study of the social behaviour of a wolf pack in a large enclosure, a model of the regulation of pack size is constructed.

Biometry: The Principles and Practice of Statistics in Biological Research

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Social dynamics of gelada baboons.

A comparator device comprising a plurality of coincidence circuits having different numbers of first input terminals supplied with the corresponding number of bit signals being compared, and an AND circuit for obtaining the logical product of outputs from the plural coincidence circuits.