Rank differences in energy intake rates in white-faced capuchin monkeys, Cebus capucinus: the effects of contest competition

Vogel, Erin R.

doi:10.1007/s00265-005-0960-4

Cited by 149 publications

(107 citation statements)

References 64 publications

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“…In our study, we could not detect clear negative effects of social factors on patch use through scramble and contest competitions suggested by previous studies (e.g., Grand & Dill, 1999;Snaith & Chapman, 2005;Vogel, 2005). Instead, our results show that the presence of other group members in the same food patches had consistent positive effects on foraging success.…”

Section: Social Factors Enhancing Foraging Successcontrasting

confidence: 50%

“…As a result, the amount of food items consumed in the food patches may decrease. Such negative effects of contest feeding competition are more apparent in lower-ranking individuals (Saito, 1996;Vogel, 2005). We tested the negative effects on the percentage of time spent feeding and intake speed in each session, and the residence time and total amount of food Mann-Whitney U-tests, we compared the percentage of time spent feeding and intake speed in sessions, residence time and total amount of food items consumed in each patch with and without aggressive behaviors for food types observed three or more cases of aggressive interactions (i.e., se-FC, lf-ZS, and fl-PV).We also tested the relationship between dominance rank and the frequency of aggressive behaviors using a generalized linear model (GLM, using R.2.5.…”

Section: Contest Feeding Competition (Prediction 2)mentioning

confidence: 99%

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Social factors enhancing foraging success of a wild group of Japanese macaques (Macaca fuscata) in a patchy food environment

Kazahari

Agetsuma

2008

Behav

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SummaryWe evaluated the effects of social factors and food quality on patch use by a wild group of Japanese macaques (Macaca fuscata) that experienced no inter-group feeding competition or predation risk. We obtained the following results: (1) Food patch depletion and within-group scramble competition for food apparently did not affect patch use. (2) Within-group contest competition (aggressive interactions related to social-dominance rank) also did not strongly affect patch use. (3) The number of co-feeders in the same patch consistently showed positive effects on patch use, while food quality did not have consistent effects. These results suggest that the presence of co-feeders enhances foraging success in a patchy food environment.

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Section: Social Factors Enhancing Foraging Successcontrasting

confidence: 50%

Section: Contest Feeding Competition (Prediction 2)mentioning

confidence: 99%

Social factors enhancing foraging success of a wild group of Japanese macaques (Macaca fuscata) in a patchy food environment

Kazahari

Agetsuma

2008

Behav

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“…Individual studies of food distribution and agonism have supported parts of these predictions (overview in [86,101]), including widespread evidence that monopolizable resources elicit increased rates of agonism [102][103][104][105][106][107]. Broader comparisons across a large number of species have been hampered by the paucity of studies that incorporate measures of contestability on a scale that is relevant to the study animals [46,47,108].…”

Section: (B) Testing Links Between Agonism and Social Structurementioning

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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“…Because of their large range and relatively dense populations, white-faced capuchins are a well-studied species (e.g. Hall, 2000;Rose, 2000;Williams, & vaughan, 2001;Perry et al, 2003;vogel, 2005;Crofoot et al, 2009).…”

Section: Methodsmentioning

confidence: 99%

Ecotourism and primate habituation: Behavioral variation in two groups of white-faced capuchins (Cebus capucinus) from Costa Rica

Webb

McCoy²

2014

RBT

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Abstract:The increase of ecotourism operations within Costa Rica during the last 20yrs has brought more and more humans into close, direct contact with several wildlife species. One of these species is the white-faced capuchin (Cebus capucinus), highly gregarious, and with exposure over time, willing to come into close vicinity of humans and their developments. Such contact has its advantages and disadvantages for the ecotourism industry. We observed white-faced monkeys in order to assess the impact of human presence and development on monkey behavior, with a focus on aggressive, affiliative, and foraging behaviors in Curú Wildlife Refuge (CWR), located in Puntarenas, Costa Rica, and to ascertain the degree of over-habituation of capuchin populations at CWR. Though there exists no discrete behavioral parameters that measure over-habituation, it can be defined as an extreme state of habituation in which non-human primates not only lose fear of humans, but also actively include humans in social interactions or treat them as a food resource. We used instantaneous focal animal and group scan sampling during 8wks in March and April 2012. Two groups (approximately 20-30 individuals each) of capuchins were observed; the first near the tourist development at the Southwestern area of CWR, representing a habituated population that regularly foraged, rested, and groomed in the presence of humans. The second, was observed in the Northeastern area of CWR, did not visit the center of human activity and exhibited fear of humans. The habituated group exhibited significantly fewer instances of threatened behavior in response to human presence (p<0.0001) than the non-habituated group, and spent significantly more time eating and foraging (p<0.0001). While the habituated monkeys at CWR may not be over-habituated, they could become that way as development, especially ecotourism, increases. Over-habituation is a problem that affects capuchins in certain ecotourism sites in Costa Rica. it is critical that the consequences of habituation be studied more carefully, primarily in areas where ecotourism operations draw visitors to wildlife habitats. Rev. Biol. Trop. 62 (3): 909-918. Epub 2014 September 01.

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Rank differences in energy intake rates in white-faced capuchin monkeys, Cebus capucinus: the effects of contest competition

Cited by 149 publications

References 64 publications

Social factors enhancing foraging success of a wild group of Japanese macaques (Macaca fuscata) in a patchy food environment

Social factors enhancing foraging success of a wild group of Japanese macaques (Macaca fuscata) in a patchy food environment

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

Ecotourism and primate habituation: Behavioral variation in two groups of white-faced capuchins (Cebus capucinus) from Costa Rica

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