Determinants and evolutionary consequences of dominance among female gelada baboons

  title={Determinants and evolutionary consequences of dominance among female gelada baboons},
  author={Robin I. M. Dunbar},
  journal={Behavioral Ecology and Sociobiology},
SummaryDominance relations among free-living female gelada baboons (Theropithecus gelada) are shown to depend on the individual's aggressiveness, modified by coalitionary support from female relatives. Relatives rank adjacent to each other more of often than expected by chance.Females are more willing both to give coalitionary support and to do so on an asymmetric basis to females with whom they interact socially (usually relatives) than to those with whom they rarely interact.The number of… 

Familiarity and dominance relations among female sooty mangabeys in the Taï National Park

Dominance relationships of female sooty mangabeys have thus far been studied exclusively in captive groups. In captivity, adult females form a stable linear hierarchy as would be expected in species

Female philopatry and dominance patterns in wild geladas

This study confirms the importance of female philopatry in the kin‐based Cercopithecine dominance system and confirms that geladas fit the allostatic load model.

Context dependence of female reproductive competition in wild chacma baboons

Aggressive interventions and matrilineal dominance relations in semifree-ranging barbary macaques (Macaca sylvanus)

Female Barbary macaques (Macaca sylvanus) form matrilineal hierarchies, i.e. they come to rank below their mother in relation to non-kin females in the course of maturation. The stability of such

Structure of Gelada Baboon Reproductive Units: IV. Integration at Group Level

and Summary Behaviour patterns related to the coordination of group members and the spatial integration of the reproductive units of gelada baboons (Theropithecus gelada) were examined in order to

A comparative study of sociality and prosociality in geladas, Theropithecus gelada, and mandrills, Mandrillus Sphinx

The present research was aimed to study sociality and prosociality in two groups of African papionins, the gelada (Theropithecus gelada) or montane baboon and the mandrill (Mandrillus sphinx) or forest baboon, housed in rather similarly naturalized, sized and vegetated enclosures in captivity.

The evolution of infanticide by females in mammals

The findings suggest that the potential direct fitness rewards of gaining access to reproductive resources have a stronger influence on the expression of female aggression than the indirect fitness costs of competing against kin.

Behavioral correlates of non-random mortality among free-ranging female vervet monkeys

There was no correlation among adult females between dominance rank and reproductive success, and the non-random distribution of causes of mortality suggests that individuals living in the same social group may confront different selective pressures.

Jealous females? Female competition and reproductive suppression in a wild promiscuous primate

Findings indicate that females can aggressively prevent further conceptions with their offspring's carer through reproductive suppression, and competition over access to paternal care may play an important and underestimated role in shaping female social relationships and reproductive strategies in promiscuous mammalian societies.

Matrilineal rank Inheritance varies with absolute rank in Japanese macaques

Investigation of dominance relation-ships of 69 adult (>6 yr old) female Japanese macaques in a free-ranging provisioned troop living in Shiga-Heights and report new evidence of intra-group variation suggests that MRI varies with absolute dominance rank.



Dominance and reproductive success among female gelada baboons

Evidence for a relationship between dominance and reproductive success for females in the case of female gelada baboons (Theropithecus gelada) in the wild is reported.


Analysis of the structure of social relationships among the members of the unit shows that almost all social interactions by adults are with individuals in their own units, and this stability is probably due to a strong tendency for females to interact preferentially with their female kin.

The acquisition of rank and the development of reciprocal alliances among free-ranging immature baboons

  • D. Cheney
  • Biology
    Behavioral Ecology and Sociobiology
  • 2004
A model is presented that attempts to explain ontogenetic changes in alliance formation on the basis of the potential costs and benefits of entering into aggressive alliances with particular indivuduals.

The Yellow-Bellied Marmot and the Evolution of Polygamy

A model describing the development of polygynous mating systems suggests that bigamous matings should be the commonest mating type and pair-bonding in monogamous species of birds is in keeping with this prediction.

Dominance, aggression and reproduction in primate societies.

  • I. Bernstein
  • Biology, Psychology
    Journal of theoretical biology
  • 1976

Suppression of oestrogen-induced LH surges by social subordination in talapoin monkeys

Evidence is reported that subordination can prevent the luteinising hormone (LH) surge which is normally induced by giving oestrogen to female monkeys, thus offering an explanation for reduced fertility and suggesting that this can be induced by behavioural interactions.