Competitive regimes and female bonding in two species of squirrel monkeys (Saimiri oerstedi and S. sciureus)

Mitchell, Clifford L.; Boinski, Sue; Schaik, Carel P. van

doi:10.1007/bf00172139

Cited by 222 publications

(112 citation statements)

References 31 publications

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“…The Peruvian common squirrel monkey (Saimiri sciureus) is RN, while the Costa Rican red-backed squirrel monkey (S. oerstedi) is DE (Mitchell et al 1991;Boinski and Mitchell 1994). The two species have similar group sizes and diets, and face similar predation risk.…”

Section: Comparative Testsmentioning

confidence: 99%

The evolution of female social relationships in nonhuman primates

Sterck

Watts

Schaik

1997

Behavioral Ecology and Sociobiology

Self Cite

1,098

941

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Considerable interspeci®c variation in female social relationships occurs in gregarious primates, particularly with regard to agonism and cooperation between females and to the quality of female relationships with males. This variation exists alongside variation in female philopatry and dispersal. Socioecological theories have tried to explain variation in female-female social relationships from an evolutionary perspective focused on ecological factors, notably predation and food distribution. According to the current``ecological model'', predation risk forces females of most diurnal primate species to live in groups; the strength of the contest component of competition for resources within and between groups then largely determines social relationships between females. Social relationships among gregarious females are here characterized as Dispersal-Egalitarian, Resident-Nepotistic, Resident-Nepotistic-Tolerant, or Resident-Egalitarian. This ecological model has successfully explained di erences in the occurrence of formal submission signals, decided dominance relationships, coalitions and female philopatry. Group size and female rank generally a ect female reproduction success as the model predicts, and studies of closely related species in di erent ecological circumstances underscore the importance of the model. Some cases, however, can only be explained when we extend the model to incorporate the e ects of infanticide risk and habitat saturation. We review evidence in support of the ecological model and test the power of alternative models that invoke between-group competition, forced female philopatry, demographic female recruitment, male interventions into female aggression, and male harassment. Not one of these models can replace the ecological model, which already encompasses the between-group competition. Currently the best model, which explains several phenomena that the ecological model does not, is a``socioecological model'' based on the combined importance of ecological factors, habitat saturation and infanticide avoidance. We note some points of similarity and divergence with other mammalian taxa; these remain to be explored in detail.

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Section: Comparative Testsmentioning

confidence: 99%

The evolution of female social relationships in nonhuman primates

Sterck

Watts

Schaik

1997

Behavioral Ecology and Sociobiology

Self Cite

1,098

941

View full text Add to dashboard Cite

show abstract

“…Detailed accounts of coalitions over food resources are spotty (e.g., Janson, 1985;Mitchell et al, 1991;Perry, 1997;Hirsch, 2007;Vogel et al, 2007) and the empirical literature seems to be silent about their benefits or the division of rewards among the coalition members. This may reflect the fact that coalitions in a feeding context are rare, or researchers rarely report coalitions in this context.…”

Section: Increasing Access To Food Resourcesmentioning

confidence: 99%

“…Yet, in some species an important proportion of conflicts over food are polyadic. For example, up to 22.8% of all resource-based conflicts in squirrel monkeys (Saimiri sciureus, Mitchell et al, 1991) are polyadic, and 25% of female-female coalitions against males in capuchin monkeys (C. capucinus) originate in the context of feeding competition between a male and a female (Perry, 1997; see also Vogel et al, 2007). Outside the primates, one study reported that coalitions failed to increase immediate access to food at carcasses in female hyenas (Smith et al, 2010).…”

Section: Increasing Access To Food Resourcesmentioning

confidence: 99%

Coalitions in theory and reality: a review of pertinent variables and processes

Bissonnette

Perry

Barrett

et al. 2015

Behav

109

104

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Coalitions and alliances are ubiquitous in humans and many other mammals, being part of the fabric of complex social systems. Field biologists and ethologists have accumulated a vast amount of data on coalition and alliance formation, while theoretical biologists have developed modelling approaches. With the accumulation of empirical data and sophisticated theory, we are now potentially able to answer a host of questions about how coalitions emerge and are maintained in a population over time, and how the psychology of this type of cooperation evolved. Progress can only be achieved, however, by effectively bridging the communication gap that currently exists between Coalitions in theory and reality empiricists and theoreticians. In this paper, we aim to do so by asking three questions: (1) What are the primary questions addressed by theoreticians interested in coalition formation, and what are the main building blocks of their models? (2) Do empirical observations support the assumptions of current models, and if not, how can we improve this situation? (3) Has theoretical work led to a better understanding of coalition formation, and what are the most profitable lines of inquiry for the future? Our overarching goal is to promote the integration of theoretical and field biology by motivating empirical scientists to collect data on aspects of coalition formation that are currently poorly quantified and to encourage theoreticians to develop a comprehensive theory of coalition formation that is testable under real-world conditions.

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“…Instead, comparative approaches have used primarily captive or provisioned populations [87,88] or included only a few wild, unprovisioned populations or species [96][97][98]. To date, only two broader comparisons have been conducted with wild, unprovisioned primates [91,99], and both studies were restricted to agonistic behaviour.…”

Section: (B) the Roads Less Travelledmentioning

confidence: 99%

Variation in grouping patterns, mating systems and social structure: what socio-ecological models attempt to explain

Koenig

Scarry

Wheeler

et al. 2013

Phil. Trans. R. Soc. B

122

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Socio-ecological models aim to predict the variation in social systems based on a limited number of ecological parameters. Since the 1960s, the original model has taken two paths: one relating to grouping patterns and mating systems and one relating to grouping patterns and female social structure. Here, we review the basic ideas specifically with regard to non-human primates, present new results and point to open questions. While most primates live in permanent groups and exhibit female defence polygyny, recent studies indicate more flexibility with cooperative male resource defence occurring repeatedly in all radiations. In contrast to other animals, the potential link between ecology and these mating systems remains, however, largely unexplored. The model of the ecology of female social structure has often been deemed successful, but has recently been criticized. We show that the predicted association of agonistic rates and despotism (directional consistency of relationships) was not supported in a comparative test. The overall variation in despotism is probably due to phylogenetic grade shifts. At the same time, it varies within clades more or less in the direction predicted by the model. This suggests that the model's utility may lie in predicting social variation within but not across clades.

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Competitive regimes and female bonding in two species of squirrel monkeys (Saimiri oerstedi and S. sciureus)

Cited by 222 publications

References 31 publications

The evolution of female social relationships in nonhuman primates

The evolution of female social relationships in nonhuman primates

Coalitions in theory and reality: a review of pertinent variables and processes

Variation in grouping patterns, mating systems and social structure: what socio-ecological models attempt to explain

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