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Cultural variation in robust capuchin monkeys (Sapajus spp.)

Abstract

Culture was for a long time believed to be uniquely human. Across primates, culture is known to be present in several species, ranging from object tool use for foraging to social conventions. Chimpanzees have been long studied and there is a long catalogue of their cultural variations, showing that even when ecological and genetic variations are ruled out, they exhibit cultural behavioral variance maintained across generations by socially biased learning. Robust capuchin monkeys (Sapajus spp.) also present great behavioral variation, especially regarding tool-using behaviors, between and within species, but no comprehensive comparison between species and populations have been done so far. The "Cultural variation in robust capuchin monkeys" project has the objective to identify cultural variance on capuchin monkeys. We are going to compare 10 populations of robust capuchin monkeys, from two species (Sapajus libidinosus and S. xanthosternos). Differently from previous studies, we will have comparable behavioral and ecological data from all sites, ranging from indirect surveys and remote observation (camera-traps) to direct observation and field experiments. Finally, we will map genetic diversity across populations and species, an approach neglected in previous comparative works on capuchin behavior. In particular, we will target genes linked to manipulative and exploratory behaviors, to correlate with the tool use behavior and problem-solving skills. Together, the three variables - behavioral, ecological and genetic - will be used to compare species and populations, allowing us to produce the first broad cultural chart on robust capuchin monkeys. (AU)

Articles published in Agência FAPESP Newsletter about the research grant:
La conducta de los monos capuchinos robustos puede inferirse en las marcas que dejan en sus herramientas 
Behavior of wild capuchin monkeys can be identified by marks left on their tools  
Comportamento de macacos-prego pode ser identificado por marcas deixadas em suas ferramentas 
Articles published in other media outlets (26 total):
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InterD: Macacos-prego usam ferramentas para quebrar sementes e frutos; com vídeo (06/May/2021)
Mundo e Meio: Comportamento de macacos-prego pode ser identificado por marcas deixadas em suas ferramentas (16/Mar/2021)
Arkeofili (Turquia): Kapuçinlerin Davranislari, Kullandiklari Aletlerde Iz Birakiyor (10/Mar/2021)
Sitios Fuente (México): La conducta de los monos capuchinos puede inferirse de las marcas que dejan en sus herramientas (04/Mar/2021)
Xinhua Tailandês (China): วิจัยพบโควิด-19 กลายพันธุ์ในบราซิล แพร่เชือง่ายสองเท่า-ติดเชือซําได้ (03/Mar/2021)
Kimdeyir (Azerbaijão): Scientists Answer: Why Do Capuchin Monkeys Grind Stones to Dust and Lick? (03/Mar/2021)
News Break (EUA): Capuchin monkeys crush stones into powder to lick and smear on bodies to combat parasites, scientists believe (02/Mar/2021)
La Revue Gauche: Behavior of wild capuchin monkeys can be identified by marks left on their tools (02/Mar/2021)
The Independent (Bangladesh) online: Capuchin monkeys crush stones into powder to lick and smear on bodies to combat parasites, scientists believe (02/Mar/2021)
Independent Eagle: Capuchin monkeys crush stones into powder to lick and smear on bodies to combat parasites, scientists believe (02/Mar/2021)
Washington Latest: Capuchin monkeys crush stones into powder to lick and smear on bodies to combat parasites, scientists believe (02/Mar/2021)
Phys.Org (Reino Unido): Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
Bioengineer (Reino Unido): Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
Science Codex: Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
Scientific Inquirer (EUA): Monkey behavior can be determined by examining their tools (01/Mar/2021)
Scienmag Science Magazine (Reino Unido): Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
7thSpace: Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
Biotech Asia News (Índia): Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
TechCodex (Índia): Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
Biotech World: Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
Gamers Grade: Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
BIPmd (EUA): Behavior of wild capuchin monkeys can be identified by marks left on their tools (01/Mar/2021)
Revista Ecológico online: Comportamento de macacos-prego pode ser identificado por marcas deixadas em suas ferramentas (18/Feb/2021)
Sou Ecológico: Comportamento de macacos-prego pode ser identificado por marcas deixadas em suas ferramentas (18/Feb/2021)
Plantão News (MT): Comportamento de macacos-prego pode ser identificado por marcas deixadas em suas ferramentas (09/Feb/2021)
Saense: Comportamento de macacos-prego pode ser identificado por marcas deixadas em suas ferramentas (09/Feb/2021)