Tool use in urban populations of capuchin monkeys Sapajus spp. (Primates: Cebidae)

Aguiar, Lucas M.; Cardoso, Raphael Moura; Back, Janaína Paula; Carneiro, Eduarda C.; Suzin, Adriane; Ottoni, Eduardo Β.

doi:10.1590/s1984-46702014000500012

Cited by 18 publications

(12 citation statements)

References 25 publications

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“…The absence of record of the tool-use category in our study does not agree with previous studies that have described customary tool-use by capuchin monkeys in urban forest fragments (Ottoni and Mannu, 2001;Aguiar et al, 2014;Coelho et al, 2015). Nevertheless, this behavior has been frequently observed in the Bosque Bougainville (Nina-e-Silva, 2004;Nina-e-Silva et al, 2015).…”

Section: Discussioncontrasting

confidence: 91%

“…Due to its great cognitive ability and behavioral flexibility, capuchin monkeys easily adapt to forest fragments in urban areas (Cunha et al, 2006;Aguiar et al, 2014). Thus, knowledge of the behavioral repertoire (use of space, diet and foraging strategies) of capuchin monkeys may contribute to the appropriate understanding of the cognitive bases of their adaptation to urban environments.…”

Section: Introductionmentioning

confidence: 99%

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Capuchin monkeys use only proto-tools to crack jatobá hard-shelled fruits in an urban environment

Silva

Ivanoff

Oliveira

2017

Neotropical Biology and Conservation

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Section: Discussioncontrasting

confidence: 91%

Section: Introductionmentioning

confidence: 99%

Capuchin monkeys use only proto-tools to crack jatobá hard-shelled fruits in an urban environment

Silva

Ivanoff

Oliveira

2017

Neotropical Biology and Conservation

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“…However, tool use also appears more sporadically in space. This population of Cebus, several populations of long-tailed macaques in Thailand (Gumert and Malaivijitnond, 2012;Falótico et al, 2017b), and some populations of 335 Sapajus (Aguiar et al, 2014) target one of the same species-Terminalia catappa. This provides a unique opportunity to directly compare tool use behavior, quantify differences in foraging efficiency, material choice, and the social behaviors surrounding tool use for an identical resource across three primate species in the wild.…”

Section: Discussionmentioning

confidence: 99%

Habitual Stone-Tool Aided Extractive Foraging in White-Faced Capuchins, Cebus Capucinus

Barrett

Monteza-Moreno

Dogandžić

et al. 2018

Preprint

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Habitual reliance on tool use is a marked behavioral difference between wild robust (genus Sapajus) and gracile (genus Cebus) capuchin monkeys. Despite being well studied and having a rich repertoire of social and extractive foraging traditions, Cebus sp have rarely been observed engaging in tool use and have never been reported to use stone tools. In contrast, habitual tool use and stone-tool use by Sapajus is widespread. We discuss factors which might explain these differences in patterns of tool use between Cebus and Sapajus. We then report the first case of habitual stone-tool use in a gracile capuchin: a population of white-faced capuchins (Cebus capucinus imitator ) in Coiba National Park, Panama who habitually rely on hammerstone and anvil tool use to access structurally protected food items in coastal areas including Terminalia catappa seeds, hermit crabs, marine snails, terrestrial crabs, and other items. This behavior has persisted on one island in Coiba National Park since at least 2004. From one year of camera trapping, we found that stone tool use is strongly male-biased. Of the 205 unique camera-trap-days where tool use was recorded, adult females were never observed to use stone-tools, although they were frequently recorded at the sites and engaged in scrounging behavior. Stone-tool use occurs year-round in this population, and over half of all identifiable individuals were observed participating. At the most active tool use site, 83.2% of days where capuchins were sighted corresponded with tool use. Capuchins inhabiting the Coiba archipelago are highly terrestrial, under decreased predation pressure and potentially experience resource limitation compared to mainland populations-three conditions considered important for the evolution of stone tool use. White-faced capuchin tool use in Coiba National Park thus offers unique opportunities to explore the ecological drivers and evolutionary underpinnings of stone tool use in a comparative within-and between-species context.

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“…In the municipality of Foz do Iguaçu, southern Brazil, a group of robust capuchins survives confined to a small forest frag-ment in an urban area, with frequent contact with humans (Aguiar et al 2014, Suzin et al 2017. They often receive food supplementation that is offered through direct human-monkey interaction, or through large amounts of food left on a platform (Suzin et al 2017).…”

Section: Introductionmentioning

confidence: 99%

Activity budget and social behavior of urban capuchin monkeys, Sapajus sp. (Primates: Cebidae)

Back¹,

Suzin²,

Aguiar³

2019

Zoologia

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Constant changes in natural environments impose challenges to wild animal populations, especially those that depend on social life. We gathered data on the activity budget and social interactions of a capuchin monkey (Sapajussp.) group of 17 individuals confined to an urban green area receiving human food supplementation. We observed the capuchins between 7:00 am and 5:00 pm, three days a month, between January 2012 and June 2013 (total of 530 hours of direct observations). We collected 15,208 behavioral records through instantaneous scan sampling and 2,538 events of social interaction in an adapted version of the “all occurrences” method. Activity budget of capuchins was dominated by traveling (42%) and foraging (38%), followed by feeding (10%), social interactions (5%), resting (4%), and others (2%). Except for feeding, the time spent on other activities varied across sex-age classes. Social interactions of capuchins were dominated by affiliative interactions (80%), mainly social play, followed by agonistic (11%) and cooperative (10%) interactions. Sexual interactions were rare (0.4%) and often involved juveniles (45% of the events). Juveniles performed most of the social interactions, followed by the alpha male, and were the main receptors of grooming, food sharing, and agonism. On the other hand, they were the main group involved in allocarrying of infants. Grooming between females and from them to alpha male was infrequent. However, grooming of the alpha male towards the adult females was frequent. We interpreted the deviations in the activity budget and social interactions of the urban capuchins as effects of human food supplementation and restriction on dispersal, illustrating the behavioral ability of capuchin monkeys to adjust their activity in human-altered environments.

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Tool use in urban populations of capuchin monkeys Sapajus spp. (Primates: Cebidae)

Cited by 18 publications

References 25 publications

Capuchin monkeys use only proto-tools to crack jatobá hard-shelled fruits in an urban environment

Capuchin monkeys use only proto-tools to crack jatobá hard-shelled fruits in an urban environment

Habitual Stone-Tool Aided Extractive Foraging in White-Faced Capuchins, Cebus Capucinus

Activity budget and social behavior of urban capuchin monkeys, Sapajus sp. (Primates: Cebidae)

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